1 0 Unnamed devices (e.g. non-device mounts) 2 0 = reserved as null device number 3 See block major 144, 145, 146 for expansion areas. 4 5 1 char Memory devices 6 1 = /dev/mem Physical memory access 7 2 = /dev/kmem OBSOLETE - replaced by /proc/kcore 8 3 = /dev/null Null device 9 4 = /dev/port I/O port access 10 5 = /dev/zero Null byte source 11 6 = /dev/core OBSOLETE - replaced by /proc/kcore 12 7 = /dev/full Returns ENOSPC on write 13 8 = /dev/random Nondeterministic random number gen. 14 9 = /dev/urandom Faster, less secure random number gen. 15 10 = /dev/aio Asynchronous I/O notification interface 16 11 = /dev/kmsg Writes to this come out as printk's, reads 17 export the buffered printk records. 18 12 = /dev/oldmem OBSOLETE - replaced by /proc/vmcore 19 20 1 block RAM disk 21 0 = /dev/ram0 First RAM disk 22 1 = /dev/ram1 Second RAM disk 23 ... 24 250 = /dev/initrd Initial RAM disk 25 26 Older kernels had /dev/ramdisk (1, 1) here. 27 /dev/initrd refers to a RAM disk which was preloaded 28 by the boot loader; newer kernels use /dev/ram0 for 29 the initrd. 30 31 2 char Pseudo-TTY masters 32 0 = /dev/ptyp0 First PTY master 33 1 = /dev/ptyp1 Second PTY master 34 ... 35 255 = /dev/ptyef 256th PTY master 36 37 Pseudo-tty's are named as follows: 38 * Masters are "pty", slaves are "tty"; 39 * the fourth letter is one of pqrstuvwxyzabcde indicating 40 the 1st through 16th series of 16 pseudo-ttys each, and 41 * the fifth letter is one of 0123456789abcdef indicating 42 the position within the series. 43 44 These are the old-style (BSD) PTY devices; Unix98 45 devices are on major 128 and above and use the PTY 46 master multiplex (/dev/ptmx) to acquire a PTY on 47 demand. 48 49 2 block Floppy disks 50 0 = /dev/fd0 Controller 0, drive 0, autodetect 51 1 = /dev/fd1 Controller 0, drive 1, autodetect 52 2 = /dev/fd2 Controller 0, drive 2, autodetect 53 3 = /dev/fd3 Controller 0, drive 3, autodetect 54 128 = /dev/fd4 Controller 1, drive 0, autodetect 55 129 = /dev/fd5 Controller 1, drive 1, autodetect 56 130 = /dev/fd6 Controller 1, drive 2, autodetect 57 131 = /dev/fd7 Controller 1, drive 3, autodetect 58 59 To specify format, add to the autodetect device number: 60 0 = /dev/fd? Autodetect format 61 4 = /dev/fd?d360 5.25" 360K in a 360K drive(1) 62 20 = /dev/fd?h360 5.25" 360K in a 1200K drive(1) 63 48 = /dev/fd?h410 5.25" 410K in a 1200K drive 64 64 = /dev/fd?h420 5.25" 420K in a 1200K drive 65 24 = /dev/fd?h720 5.25" 720K in a 1200K drive 66 80 = /dev/fd?h880 5.25" 880K in a 1200K drive(1) 67 8 = /dev/fd?h1200 5.25" 1200K in a 1200K drive(1) 68 40 = /dev/fd?h1440 5.25" 1440K in a 1200K drive(1) 69 56 = /dev/fd?h1476 5.25" 1476K in a 1200K drive 70 72 = /dev/fd?h1494 5.25" 1494K in a 1200K drive 71 92 = /dev/fd?h1600 5.25" 1600K in a 1200K drive(1) 72 73 12 = /dev/fd?u360 3.5" 360K Double Density(2) 74 16 = /dev/fd?u720 3.5" 720K Double Density(1) 75 120 = /dev/fd?u800 3.5" 800K Double Density(2) 76 52 = /dev/fd?u820 3.5" 820K Double Density 77 68 = /dev/fd?u830 3.5" 830K Double Density 78 84 = /dev/fd?u1040 3.5" 1040K Double Density(1) 79 88 = /dev/fd?u1120 3.5" 1120K Double Density(1) 80 28 = /dev/fd?u1440 3.5" 1440K High Density(1) 81 124 = /dev/fd?u1600 3.5" 1600K High Density(1) 82 44 = /dev/fd?u1680 3.5" 1680K High Density(3) 83 60 = /dev/fd?u1722 3.5" 1722K High Density 84 76 = /dev/fd?u1743 3.5" 1743K High Density 85 96 = /dev/fd?u1760 3.5" 1760K High Density 86 116 = /dev/fd?u1840 3.5" 1840K High Density(3) 87 100 = /dev/fd?u1920 3.5" 1920K High Density(1) 88 32 = /dev/fd?u2880 3.5" 2880K Extra Density(1) 89 104 = /dev/fd?u3200 3.5" 3200K Extra Density 90 108 = /dev/fd?u3520 3.5" 3520K Extra Density 91 112 = /dev/fd?u3840 3.5" 3840K Extra Density(1) 92 93 36 = /dev/fd?CompaQ Compaq 2880K drive; obsolete? 94 95 (1) Autodetectable format 96 (2) Autodetectable format in a Double Density (720K) drive only 97 (3) Autodetectable format in a High Density (1440K) drive only 98 99 NOTE: The letter in the device name (d, q, h or u) 100 signifies the type of drive: 5.25" Double Density (d), 101 5.25" Quad Density (q), 5.25" High Density (h) or 3.5" 102 (any model, u). The use of the capital letters D, H 103 and E for the 3.5" models have been deprecated, since 104 the drive type is insignificant for these devices. 105 106 3 char Pseudo-TTY slaves 107 0 = /dev/ttyp0 First PTY slave 108 1 = /dev/ttyp1 Second PTY slave 109 ... 110 255 = /dev/ttyef 256th PTY slave 111 112 These are the old-style (BSD) PTY devices; Unix98 113 devices are on major 136 and above. 114 115 3 block First MFM, RLL and IDE hard disk/CD-ROM interface 116 0 = /dev/hda Master: whole disk (or CD-ROM) 117 64 = /dev/hdb Slave: whole disk (or CD-ROM) 118 119 For partitions, add to the whole disk device number: 120 0 = /dev/hd? Whole disk 121 1 = /dev/hd?1 First partition 122 2 = /dev/hd?2 Second partition 123 ... 124 63 = /dev/hd?63 63rd partition 125 126 For Linux/i386, partitions 1-4 are the primary 127 partitions, and 5 and above are logical partitions. 128 Other versions of Linux use partitioning schemes 129 appropriate to their respective architectures. 130 131 4 char TTY devices 132 0 = /dev/tty0 Current virtual console 133 134 1 = /dev/tty1 First virtual console 135 ... 136 63 = /dev/tty63 63rd virtual console 137 64 = /dev/ttyS0 First UART serial port 138 ... 139 255 = /dev/ttyS191 192nd UART serial port 140 141 UART serial ports refer to 8250/16450/16550 series devices. 142 143 Older versions of the Linux kernel used this major 144 number for BSD PTY devices. As of Linux 2.1.115, this 145 is no longer supported. Use major numbers 2 and 3. 146 147 4 block Aliases for dynamically allocated major devices to be used 148 when its not possible to create the real device nodes 149 because the root filesystem is mounted read-only. 150 151 0 = /dev/root 152 153 5 char Alternate TTY devices 154 0 = /dev/tty Current TTY device 155 1 = /dev/console System console 156 2 = /dev/ptmx PTY master multiplex 157 3 = /dev/ttyprintk User messages via printk TTY device 158 64 = /dev/cua0 Callout device for ttyS0 159 ... 160 255 = /dev/cua191 Callout device for ttyS191 161 162 (5,1) is /dev/console starting with Linux 2.1.71. See 163 the section on terminal devices for more information 164 on /dev/console. 165 166 6 char Parallel printer devices 167 0 = /dev/lp0 Parallel printer on parport0 168 1 = /dev/lp1 Parallel printer on parport1 169 ... 170 171 Current Linux kernels no longer have a fixed mapping 172 between parallel ports and I/O addresses. Instead, 173 they are redirected through the parport multiplex layer. 174 175 7 char Virtual console capture devices 176 0 = /dev/vcs Current vc text (glyph) contents 177 1 = /dev/vcs1 tty1 text (glyph) contents 178 ... 179 63 = /dev/vcs63 tty63 text (glyph) contents 180 64 = /dev/vcsu Current vc text (unicode) contents 181 65 = /dev/vcsu1 tty1 text (unicode) contents 182 ... 183 127 = /dev/vcsu63 tty63 text (unicode) contents 184 128 = /dev/vcsa Current vc text/attribute (glyph) contents 185 129 = /dev/vcsa1 tty1 text/attribute (glyph) contents 186 ... 187 191 = /dev/vcsa63 tty63 text/attribute (glyph) contents 188 189 NOTE: These devices permit both read and write access. 190 191 7 block Loopback devices 192 0 = /dev/loop0 First loop device 193 1 = /dev/loop1 Second loop device 194 ... 195 196 The loop devices are used to mount filesystems not 197 associated with block devices. The binding to the 198 loop devices is handled by mount(8) or losetup(8). 199 200 8 block SCSI disk devices (0-15) 201 0 = /dev/sda First SCSI disk whole disk 202 16 = /dev/sdb Second SCSI disk whole disk 203 32 = /dev/sdc Third SCSI disk whole disk 204 ... 205 240 = /dev/sdp Sixteenth SCSI disk whole disk 206 207 Partitions are handled in the same way as for IDE 208 disks (see major number 3) except that the limit on 209 partitions is 15. 210 211 9 char SCSI tape devices 212 0 = /dev/st0 First SCSI tape, mode 0 213 1 = /dev/st1 Second SCSI tape, mode 0 214 ... 215 32 = /dev/st0l First SCSI tape, mode 1 216 33 = /dev/st1l Second SCSI tape, mode 1 217 ... 218 64 = /dev/st0m First SCSI tape, mode 2 219 65 = /dev/st1m Second SCSI tape, mode 2 220 ... 221 96 = /dev/st0a First SCSI tape, mode 3 222 97 = /dev/st1a Second SCSI tape, mode 3 223 ... 224 128 = /dev/nst0 First SCSI tape, mode 0, no rewind 225 129 = /dev/nst1 Second SCSI tape, mode 0, no rewind 226 ... 227 160 = /dev/nst0l First SCSI tape, mode 1, no rewind 228 161 = /dev/nst1l Second SCSI tape, mode 1, no rewind 229 ... 230 192 = /dev/nst0m First SCSI tape, mode 2, no rewind 231 193 = /dev/nst1m Second SCSI tape, mode 2, no rewind 232 ... 233 224 = /dev/nst0a First SCSI tape, mode 3, no rewind 234 225 = /dev/nst1a Second SCSI tape, mode 3, no rewind 235 ... 236 237 "No rewind" refers to the omission of the default 238 automatic rewind on device close. The MTREW or MTOFFL 239 ioctl()'s can be used to rewind the tape regardless of 240 the device used to access it. 241 242 9 block Metadisk (RAID) devices 243 0 = /dev/md0 First metadisk group 244 1 = /dev/md1 Second metadisk group 245 ... 246 247 The metadisk driver is used to span a 248 filesystem across multiple physical disks. 249 250 10 char Non-serial mice, misc features 251 0 = /dev/logibm Logitech bus mouse 252 1 = /dev/psaux PS/2-style mouse port 253 2 = /dev/inportbm Microsoft Inport bus mouse 254 3 = /dev/atibm ATI XL bus mouse 255 4 = /dev/jbm J-mouse 256 4 = /dev/amigamouse Amiga mouse (68k/Amiga) 257 5 = /dev/atarimouse Atari mouse 258 6 = /dev/sunmouse Sun mouse 259 7 = /dev/amigamouse1 Second Amiga mouse 260 8 = /dev/smouse Simple serial mouse driver 261 9 = /dev/pc110pad IBM PC-110 digitizer pad 262 10 = /dev/adbmouse Apple Desktop Bus mouse 263 11 = /dev/vrtpanel Vr41xx embedded touch panel 264 13 = /dev/vpcmouse Connectix Virtual PC Mouse 265 14 = /dev/touchscreen/ucb1x00 UCB 1x00 touchscreen 266 15 = /dev/touchscreen/mk712 MK712 touchscreen 267 128 = /dev/beep Fancy beep device 268 129 = 269 130 = /dev/watchdog Watchdog timer port 270 131 = /dev/temperature Machine internal temperature 271 132 = /dev/hwtrap Hardware fault trap 272 133 = /dev/exttrp External device trap 273 134 = /dev/apm_bios Advanced Power Management BIOS 274 135 = /dev/rtc Real Time Clock 275 137 = /dev/vhci Bluetooth virtual HCI driver 276 139 = /dev/openprom SPARC OpenBoot PROM 277 140 = /dev/relay8 Berkshire Products Octal relay card 278 141 = /dev/relay16 Berkshire Products ISO-16 relay card 279 142 = 280 143 = /dev/pciconf PCI configuration space 281 144 = /dev/nvram Non-volatile configuration RAM 282 145 = /dev/hfmodem Soundcard shortwave modem control 283 146 = /dev/graphics Linux/SGI graphics device 284 147 = /dev/opengl Linux/SGI OpenGL pipe 285 148 = /dev/gfx Linux/SGI graphics effects device 286 149 = /dev/input/mouse Linux/SGI Irix emulation mouse 287 150 = /dev/input/keyboard Linux/SGI Irix emulation keyboard 288 151 = /dev/led Front panel LEDs 289 152 = /dev/kpoll Kernel Poll Driver 290 153 = /dev/mergemem Memory merge device 291 154 = /dev/pmu Macintosh PowerBook power manager 292 155 = 293 156 = /dev/lcd Front panel LCD display 294 157 = /dev/ac Applicom Intl Profibus card 295 158 = /dev/nwbutton Netwinder external button 296 159 = /dev/nwdebug Netwinder debug interface 297 160 = /dev/nwflash Netwinder flash memory 298 161 = /dev/userdma User-space DMA access 299 162 = /dev/smbus System Management Bus 300 163 = /dev/lik Logitech Internet Keyboard 301 164 = /dev/ipmo Intel Intelligent Platform Management 302 165 = /dev/vmmon VMware virtual machine monitor 303 166 = /dev/i2o/ctl I2O configuration manager 304 167 = /dev/specialix_sxctl Specialix serial control 305 168 = /dev/tcldrv Technology Concepts serial control 306 169 = /dev/specialix_rioctl Specialix RIO serial control 307 170 = /dev/thinkpad/thinkpad IBM Thinkpad devices 308 171 = /dev/srripc QNX4 API IPC manager 309 172 = /dev/usemaclone Semaphore clone device 310 173 = /dev/ipmikcs Intelligent Platform Management 311 174 = /dev/uctrl SPARCbook 3 microcontroller 312 175 = /dev/agpgart AGP Graphics Address Remapping Table 313 176 = /dev/gtrsc Gorgy Timing radio clock 314 177 = /dev/cbm Serial CBM bus 315 178 = /dev/jsflash JavaStation OS flash SIMM 316 179 = /dev/xsvc High-speed shared-mem/semaphore service 317 180 = /dev/vrbuttons Vr41xx button input device 318 181 = /dev/toshiba Toshiba laptop SMM support 319 182 = /dev/perfctr Performance-monitoring counters 320 183 = /dev/hwrng Generic random number generator 321 184 = /dev/cpu/microcode CPU microcode update interface 322 186 = /dev/atomicps Atomic snapshot of process state data 323 187 = /dev/irnet IrNET device 324 188 = /dev/smbusbios SMBus BIOS 325 189 = /dev/ussp_ctl User space serial port control 326 190 = /dev/crash Mission Critical Linux crash dump facility 327 191 = /dev/pcl181 <information missing> 328 192 = /dev/nas_xbus NAS xbus LCD/buttons access 329 193 = /dev/d7s SPARC 7-segment display 330 194 = /dev/zkshim Zero-Knowledge network shim control 331 195 = /dev/elographics/e2201 Elographics touchscreen E271-2201 332 196 = /dev/vfio/vfio VFIO userspace driver interface 333 197 = /dev/pxa3xx-gcu PXA3xx graphics controller unit driver 334 198 = /dev/sexec Signed executable interface 335 199 = /dev/scanners/cuecat :CueCat barcode scanner 336 200 = /dev/net/tun TAP/TUN network device 337 201 = /dev/button/gulpb Transmeta GULP-B buttons 338 202 = /dev/emd/ctl Enhanced Metadisk RAID (EMD) control 339 203 = /dev/cuse Cuse (character device in user-space) 340 204 = /dev/video/em8300 EM8300 DVD decoder control 341 205 = /dev/video/em8300_mv EM8300 DVD decoder video 342 206 = /dev/video/em8300_ma EM8300 DVD decoder audio 343 207 = /dev/video/em8300_sp EM8300 DVD decoder subpicture 344 208 = /dev/compaq/cpqphpc Compaq PCI Hot Plug Controller 345 209 = /dev/compaq/cpqrid Compaq Remote Insight Driver 346 210 = /dev/impi/bt IMPI coprocessor block transfer 347 211 = /dev/impi/smic IMPI coprocessor stream interface 348 212 = /dev/watchdogs/0 First watchdog device 349 213 = /dev/watchdogs/1 Second watchdog device 350 214 = /dev/watchdogs/2 Third watchdog device 351 215 = /dev/watchdogs/3 Fourth watchdog device 352 216 = /dev/fujitsu/apanel Fujitsu/Siemens application panel 353 217 = /dev/ni/natmotn National Instruments Motion 354 218 = /dev/kchuid Inter-process chuid control 355 219 = /dev/modems/mwave MWave modem firmware upload 356 220 = /dev/mptctl Message passing technology (MPT) control 357 221 = /dev/mvista/hssdsi Montavista PICMG hot swap system driver 358 222 = /dev/mvista/hasi Montavista PICMG high availability 359 223 = /dev/input/uinput User level driver support for input 360 224 = /dev/tpm TCPA TPM driver 361 225 = /dev/pps Pulse Per Second driver 362 226 = /dev/systrace Systrace device 363 227 = /dev/mcelog X86_64 Machine Check Exception driver 364 228 = /dev/hpet HPET driver 365 229 = /dev/fuse Fuse (virtual filesystem in user-space) 366 230 = /dev/midishare MidiShare driver 367 231 = /dev/snapshot System memory snapshot device 368 232 = /dev/kvm Kernel-based virtual machine (hardware virtualization extensions) 369 233 = /dev/kmview View-OS A process with a view 370 234 = /dev/btrfs-control Btrfs control device 371 235 = /dev/autofs Autofs control device 372 236 = /dev/mapper/control Device-Mapper control device 373 237 = /dev/loop-control Loopback control device 374 238 = /dev/vhost-net Host kernel accelerator for virtio net 375 239 = /dev/uhid User-space I/O driver support for HID subsystem 376 240 = /dev/userio Serio driver testing device 377 241 = /dev/vhost-vsock Host kernel driver for virtio vsock 378 242 = /dev/rfkill Turning off radio transmissions (rfkill) 379 380 243-254 Reserved for local use 381 255 Reserved for MISC_DYNAMIC_MINOR 382 383 11 char Raw keyboard device (Linux/SPARC only) 384 0 = /dev/kbd Raw keyboard device 385 386 11 char Serial Mux device (Linux/PA-RISC only) 387 0 = /dev/ttyB0 First mux port 388 1 = /dev/ttyB1 Second mux port 389 ... 390 391 11 block SCSI CD-ROM devices 392 0 = /dev/scd0 First SCSI CD-ROM 393 1 = /dev/scd1 Second SCSI CD-ROM 394 ... 395 396 The prefix /dev/sr (instead of /dev/scd) has been deprecated. 397 398 12 char QIC-02 tape 399 2 = /dev/ntpqic11 QIC-11, no rewind-on-close 400 3 = /dev/tpqic11 QIC-11, rewind-on-close 401 4 = /dev/ntpqic24 QIC-24, no rewind-on-close 402 5 = /dev/tpqic24 QIC-24, rewind-on-close 403 6 = /dev/ntpqic120 QIC-120, no rewind-on-close 404 7 = /dev/tpqic120 QIC-120, rewind-on-close 405 8 = /dev/ntpqic150 QIC-150, no rewind-on-close 406 9 = /dev/tpqic150 QIC-150, rewind-on-close 407 408 The device names specified are proposed -- if there 409 are "standard" names for these devices, please let me know. 410 411 12 block 412 413 13 char Input core 414 0 = /dev/input/js0 First joystick 415 1 = /dev/input/js1 Second joystick 416 ... 417 32 = /dev/input/mouse0 First mouse 418 33 = /dev/input/mouse1 Second mouse 419 ... 420 63 = /dev/input/mice Unified mouse 421 64 = /dev/input/event0 First event queue 422 65 = /dev/input/event1 Second event queue 423 ... 424 425 Each device type has 5 bits (32 minors). 426 427 13 block Previously used for the XT disk (/dev/xdN) 428 Deleted in kernel v3.9. 429 430 14 char Open Sound System (OSS) 431 0 = /dev/mixer Mixer control 432 1 = /dev/sequencer Audio sequencer 433 2 = /dev/midi00 First MIDI port 434 3 = /dev/dsp Digital audio 435 4 = /dev/audio Sun-compatible digital audio 436 6 = 437 7 = /dev/audioctl SPARC audio control device 438 8 = /dev/sequencer2 Sequencer -- alternate device 439 16 = /dev/mixer1 Second soundcard mixer control 440 17 = /dev/patmgr0 Sequencer patch manager 441 18 = /dev/midi01 Second MIDI port 442 19 = /dev/dsp1 Second soundcard digital audio 443 20 = /dev/audio1 Second soundcard Sun digital audio 444 33 = /dev/patmgr1 Sequencer patch manager 445 34 = /dev/midi02 Third MIDI port 446 50 = /dev/midi03 Fourth MIDI port 447 448 14 block 449 450 15 char Joystick 451 0 = /dev/js0 First analog joystick 452 1 = /dev/js1 Second analog joystick 453 ... 454 128 = /dev/djs0 First digital joystick 455 129 = /dev/djs1 Second digital joystick 456 ... 457 15 block Sony CDU-31A/CDU-33A CD-ROM 458 0 = /dev/sonycd Sony CDU-31a CD-ROM 459 460 16 char Non-SCSI scanners 461 0 = /dev/gs4500 Genius 4500 handheld scanner 462 463 16 block GoldStar CD-ROM 464 0 = /dev/gscd GoldStar CD-ROM 465 466 17 char OBSOLETE (was Chase serial card) 467 0 = /dev/ttyH0 First Chase port 468 1 = /dev/ttyH1 Second Chase port 469 ... 470 17 block Optics Storage CD-ROM 471 0 = /dev/optcd Optics Storage CD-ROM 472 473 18 char OBSOLETE (was Chase serial card - alternate devices) 474 0 = /dev/cuh0 Callout device for ttyH0 475 1 = /dev/cuh1 Callout device for ttyH1 476 ... 477 18 block Sanyo CD-ROM 478 0 = /dev/sjcd Sanyo CD-ROM 479 480 19 block "Double" compressed disk 481 0 = /dev/double0 First compressed disk 482 ... 483 7 = /dev/double7 Eighth compressed disk 484 128 = /dev/cdouble0 Mirror of first compressed disk 485 ... 486 135 = /dev/cdouble7 Mirror of eighth compressed disk 487 488 See the Double documentation for the meaning of the 489 mirror devices. 490 491 20 block Hitachi CD-ROM (under development) 492 0 = /dev/hitcd Hitachi CD-ROM 493 494 21 char Generic SCSI access 495 0 = /dev/sg0 First generic SCSI device 496 1 = /dev/sg1 Second generic SCSI device 497 ... 498 499 Most distributions name these /dev/sga, /dev/sgb...; 500 this sets an unnecessary limit of 26 SCSI devices in 501 the system and is counter to standard Linux 502 device-naming practice. 503 504 21 block Acorn MFM hard drive interface 505 0 = /dev/mfma First MFM drive whole disk 506 64 = /dev/mfmb Second MFM drive whole disk 507 508 This device is used on the ARM-based Acorn RiscPC. 509 Partitions are handled the same way as for IDE disks 510 (see major number 3). 511 512 22 char Digiboard serial card 513 0 = /dev/ttyD0 First Digiboard port 514 1 = /dev/ttyD1 Second Digiboard port 515 ... 516 22 block Second IDE hard disk/CD-ROM interface 517 0 = /dev/hdc Master: whole disk (or CD-ROM) 518 64 = /dev/hdd Slave: whole disk (or CD-ROM) 519 520 Partitions are handled the same way as for the first 521 interface (see major number 3). 522 523 23 char Digiboard serial card - alternate devices 524 0 = /dev/cud0 Callout device for ttyD0 525 1 = /dev/cud1 Callout device for ttyD1 526 ... 527 23 block Mitsumi proprietary CD-ROM 528 0 = /dev/mcd Mitsumi CD-ROM 529 530 24 char Stallion serial card 531 0 = /dev/ttyE0 Stallion port 0 card 0 532 1 = /dev/ttyE1 Stallion port 1 card 0 533 ... 534 64 = /dev/ttyE64 Stallion port 0 card 1 535 65 = /dev/ttyE65 Stallion port 1 card 1 536 ... 537 128 = /dev/ttyE128 Stallion port 0 card 2 538 129 = /dev/ttyE129 Stallion port 1 card 2 539 ... 540 192 = /dev/ttyE192 Stallion port 0 card 3 541 193 = /dev/ttyE193 Stallion port 1 card 3 542 ... 543 24 block Sony CDU-535 CD-ROM 544 0 = /dev/cdu535 Sony CDU-535 CD-ROM 545 546 25 char Stallion serial card - alternate devices 547 0 = /dev/cue0 Callout device for ttyE0 548 1 = /dev/cue1 Callout device for ttyE1 549 ... 550 64 = /dev/cue64 Callout device for ttyE64 551 65 = /dev/cue65 Callout device for ttyE65 552 ... 553 128 = /dev/cue128 Callout device for ttyE128 554 129 = /dev/cue129 Callout device for ttyE129 555 ... 556 192 = /dev/cue192 Callout device for ttyE192 557 193 = /dev/cue193 Callout device for ttyE193 558 ... 559 25 block First Matsushita (Panasonic/SoundBlaster) CD-ROM 560 0 = /dev/sbpcd0 Panasonic CD-ROM controller 0 unit 0 561 1 = /dev/sbpcd1 Panasonic CD-ROM controller 0 unit 1 562 2 = /dev/sbpcd2 Panasonic CD-ROM controller 0 unit 2 563 3 = /dev/sbpcd3 Panasonic CD-ROM controller 0 unit 3 564 565 26 char 566 567 26 block Second Matsushita (Panasonic/SoundBlaster) CD-ROM 568 0 = /dev/sbpcd4 Panasonic CD-ROM controller 1 unit 0 569 1 = /dev/sbpcd5 Panasonic CD-ROM controller 1 unit 1 570 2 = /dev/sbpcd6 Panasonic CD-ROM controller 1 unit 2 571 3 = /dev/sbpcd7 Panasonic CD-ROM controller 1 unit 3 572 573 27 char QIC-117 tape 574 0 = /dev/qft0 Unit 0, rewind-on-close 575 1 = /dev/qft1 Unit 1, rewind-on-close 576 2 = /dev/qft2 Unit 2, rewind-on-close 577 3 = /dev/qft3 Unit 3, rewind-on-close 578 4 = /dev/nqft0 Unit 0, no rewind-on-close 579 5 = /dev/nqft1 Unit 1, no rewind-on-close 580 6 = /dev/nqft2 Unit 2, no rewind-on-close 581 7 = /dev/nqft3 Unit 3, no rewind-on-close 582 16 = /dev/zqft0 Unit 0, rewind-on-close, compression 583 17 = /dev/zqft1 Unit 1, rewind-on-close, compression 584 18 = /dev/zqft2 Unit 2, rewind-on-close, compression 585 19 = /dev/zqft3 Unit 3, rewind-on-close, compression 586 20 = /dev/nzqft0 Unit 0, no rewind-on-close, compression 587 21 = /dev/nzqft1 Unit 1, no rewind-on-close, compression 588 22 = /dev/nzqft2 Unit 2, no rewind-on-close, compression 589 23 = /dev/nzqft3 Unit 3, no rewind-on-close, compression 590 32 = /dev/rawqft0 Unit 0, rewind-on-close, no file marks 591 33 = /dev/rawqft1 Unit 1, rewind-on-close, no file marks 592 34 = /dev/rawqft2 Unit 2, rewind-on-close, no file marks 593 35 = /dev/rawqft3 Unit 3, rewind-on-close, no file marks 594 36 = /dev/nrawqft0 Unit 0, no rewind-on-close, no file marks 595 37 = /dev/nrawqft1 Unit 1, no rewind-on-close, no file marks 596 38 = /dev/nrawqft2 Unit 2, no rewind-on-close, no file marks 597 39 = /dev/nrawqft3 Unit 3, no rewind-on-close, no file marks 598 599 27 block Third Matsushita (Panasonic/SoundBlaster) CD-ROM 600 0 = /dev/sbpcd8 Panasonic CD-ROM controller 2 unit 0 601 1 = /dev/sbpcd9 Panasonic CD-ROM controller 2 unit 1 602 2 = /dev/sbpcd10 Panasonic CD-ROM controller 2 unit 2 603 3 = /dev/sbpcd11 Panasonic CD-ROM controller 2 unit 3 604 605 28 char Stallion serial card - card programming 606 0 = /dev/staliomem0 First Stallion card I/O memory 607 1 = /dev/staliomem1 Second Stallion card I/O memory 608 2 = /dev/staliomem2 Third Stallion card I/O memory 609 3 = /dev/staliomem3 Fourth Stallion card I/O memory 610 611 28 char Atari SLM ACSI laser printer (68k/Atari) 612 0 = /dev/slm0 First SLM laser printer 613 1 = /dev/slm1 Second SLM laser printer 614 ... 615 28 block Fourth Matsushita (Panasonic/SoundBlaster) CD-ROM 616 0 = /dev/sbpcd12 Panasonic CD-ROM controller 3 unit 0 617 1 = /dev/sbpcd13 Panasonic CD-ROM controller 3 unit 1 618 2 = /dev/sbpcd14 Panasonic CD-ROM controller 3 unit 2 619 3 = /dev/sbpcd15 Panasonic CD-ROM controller 3 unit 3 620 621 28 block ACSI disk (68k/Atari) 622 0 = /dev/ada First ACSI disk whole disk 623 16 = /dev/adb Second ACSI disk whole disk 624 32 = /dev/adc Third ACSI disk whole disk 625 ... 626 240 = /dev/adp 16th ACSI disk whole disk 627 628 Partitions are handled in the same way as for IDE 629 disks (see major number 3) except that the limit on 630 partitions is 15, like SCSI. 631 632 29 char Universal frame buffer 633 0 = /dev/fb0 First frame buffer 634 1 = /dev/fb1 Second frame buffer 635 ... 636 31 = /dev/fb31 32nd frame buffer 637 638 29 block Aztech/Orchid/Okano/Wearnes CD-ROM 639 0 = /dev/aztcd Aztech CD-ROM 640 641 30 char iBCS-2 compatibility devices 642 0 = /dev/socksys Socket access 643 1 = /dev/spx SVR3 local X interface 644 32 = /dev/inet/ip Network access 645 33 = /dev/inet/icmp 646 34 = /dev/inet/ggp 647 35 = /dev/inet/ipip 648 36 = /dev/inet/tcp 649 37 = /dev/inet/egp 650 38 = /dev/inet/pup 651 39 = /dev/inet/udp 652 40 = /dev/inet/idp 653 41 = /dev/inet/rawip 654 655 Additionally, iBCS-2 requires the following links: 656 657 /dev/ip -> /dev/inet/ip 658 /dev/icmp -> /dev/inet/icmp 659 /dev/ggp -> /dev/inet/ggp 660 /dev/ipip -> /dev/inet/ipip 661 /dev/tcp -> /dev/inet/tcp 662 /dev/egp -> /dev/inet/egp 663 /dev/pup -> /dev/inet/pup 664 /dev/udp -> /dev/inet/udp 665 /dev/idp -> /dev/inet/idp 666 /dev/rawip -> /dev/inet/rawip 667 /dev/inet/arp -> /dev/inet/udp 668 /dev/inet/rip -> /dev/inet/udp 669 /dev/nfsd -> /dev/socksys 670 /dev/X0R -> /dev/null (? apparently not required ?) 671 672 30 block Philips LMS CM-205 CD-ROM 673 0 = /dev/cm205cd Philips LMS CM-205 CD-ROM 674 675 /dev/lmscd is an older name for this device. This 676 driver does not work with the CM-205MS CD-ROM. 677 678 31 char MPU-401 MIDI 679 0 = /dev/mpu401data MPU-401 data port 680 1 = /dev/mpu401stat MPU-401 status port 681 682 31 block ROM/flash memory card 683 0 = /dev/rom0 First ROM card (rw) 684 ... 685 7 = /dev/rom7 Eighth ROM card (rw) 686 8 = /dev/rrom0 First ROM card (ro) 687 ... 688 15 = /dev/rrom7 Eighth ROM card (ro) 689 16 = /dev/flash0 First flash memory card (rw) 690 ... 691 23 = /dev/flash7 Eighth flash memory card (rw) 692 24 = /dev/rflash0 First flash memory card (ro) 693 ... 694 31 = /dev/rflash7 Eighth flash memory card (ro) 695 696 The read-write (rw) devices support back-caching 697 written data in RAM, as well as writing to flash RAM 698 devices. The read-only devices (ro) support reading 699 only. 700 701 32 char Specialix serial card 702 0 = /dev/ttyX0 First Specialix port 703 1 = /dev/ttyX1 Second Specialix port 704 ... 705 32 block Philips LMS CM-206 CD-ROM 706 0 = /dev/cm206cd Philips LMS CM-206 CD-ROM 707 708 33 char Specialix serial card - alternate devices 709 0 = /dev/cux0 Callout device for ttyX0 710 1 = /dev/cux1 Callout device for ttyX1 711 ... 712 33 block Third IDE hard disk/CD-ROM interface 713 0 = /dev/hde Master: whole disk (or CD-ROM) 714 64 = /dev/hdf Slave: whole disk (or CD-ROM) 715 716 Partitions are handled the same way as for the first 717 interface (see major number 3). 718 719 34 char Z8530 HDLC driver 720 0 = /dev/scc0 First Z8530, first port 721 1 = /dev/scc1 First Z8530, second port 722 2 = /dev/scc2 Second Z8530, first port 723 3 = /dev/scc3 Second Z8530, second port 724 ... 725 726 In a previous version these devices were named 727 /dev/sc1 for /dev/scc0, /dev/sc2 for /dev/scc1, and so 728 on. 729 730 34 block Fourth IDE hard disk/CD-ROM interface 731 0 = /dev/hdg Master: whole disk (or CD-ROM) 732 64 = /dev/hdh Slave: whole disk (or CD-ROM) 733 734 Partitions are handled the same way as for the first 735 interface (see major number 3). 736 737 35 char tclmidi MIDI driver 738 0 = /dev/midi0 First MIDI port, kernel timed 739 1 = /dev/midi1 Second MIDI port, kernel timed 740 2 = /dev/midi2 Third MIDI port, kernel timed 741 3 = /dev/midi3 Fourth MIDI port, kernel timed 742 64 = /dev/rmidi0 First MIDI port, untimed 743 65 = /dev/rmidi1 Second MIDI port, untimed 744 66 = /dev/rmidi2 Third MIDI port, untimed 745 67 = /dev/rmidi3 Fourth MIDI port, untimed 746 128 = /dev/smpte0 First MIDI port, SMPTE timed 747 129 = /dev/smpte1 Second MIDI port, SMPTE timed 748 130 = /dev/smpte2 Third MIDI port, SMPTE timed 749 131 = /dev/smpte3 Fourth MIDI port, SMPTE timed 750 751 35 block Slow memory ramdisk 752 0 = /dev/slram Slow memory ramdisk 753 754 36 char Netlink support 755 0 = /dev/route Routing, device updates, kernel to user 756 1 = /dev/skip enSKIP security cache control 757 3 = /dev/fwmonitor Firewall packet copies 758 16 = /dev/tap0 First Ethertap device 759 ... 760 31 = /dev/tap15 16th Ethertap device 761 762 36 block OBSOLETE (was MCA ESDI hard disk) 763 764 37 char IDE tape 765 0 = /dev/ht0 First IDE tape 766 1 = /dev/ht1 Second IDE tape 767 ... 768 128 = /dev/nht0 First IDE tape, no rewind-on-close 769 129 = /dev/nht1 Second IDE tape, no rewind-on-close 770 ... 771 772 Currently, only one IDE tape drive is supported. 773 774 37 block Zorro II ramdisk 775 0 = /dev/z2ram Zorro II ramdisk 776 777 38 char Myricom PCI Myrinet board 778 0 = /dev/mlanai0 First Myrinet board 779 1 = /dev/mlanai1 Second Myrinet board 780 ... 781 782 This device is used for status query, board control 783 and "user level packet I/O." This board is also 784 accessible as a standard networking "eth" device. 785 786 38 block OBSOLETE (was Linux/AP+) 787 788 39 char ML-16P experimental I/O board 789 0 = /dev/ml16pa-a0 First card, first analog channel 790 1 = /dev/ml16pa-a1 First card, second analog channel 791 ... 792 15 = /dev/ml16pa-a15 First card, 16th analog channel 793 16 = /dev/ml16pa-d First card, digital lines 794 17 = /dev/ml16pa-c0 First card, first counter/timer 795 18 = /dev/ml16pa-c1 First card, second counter/timer 796 19 = /dev/ml16pa-c2 First card, third counter/timer 797 32 = /dev/ml16pb-a0 Second card, first analog channel 798 33 = /dev/ml16pb-a1 Second card, second analog channel 799 ... 800 47 = /dev/ml16pb-a15 Second card, 16th analog channel 801 48 = /dev/ml16pb-d Second card, digital lines 802 49 = /dev/ml16pb-c0 Second card, first counter/timer 803 50 = /dev/ml16pb-c1 Second card, second counter/timer 804 51 = /dev/ml16pb-c2 Second card, third counter/timer 805 ... 806 39 block 807 808 40 char 809 810 40 block 811 812 41 char Yet Another Micro Monitor 813 0 = /dev/yamm Yet Another Micro Monitor 814 815 41 block 816 817 42 char Demo/sample use 818 819 42 block Demo/sample use 820 821 This number is intended for use in sample code, as 822 well as a general "example" device number. It 823 should never be used for a device driver that is being 824 distributed; either obtain an official number or use 825 the local/experimental range. The sudden addition or 826 removal of a driver with this number should not cause 827 ill effects to the system (bugs excepted.) 828 829 IN PARTICULAR, ANY DISTRIBUTION WHICH CONTAINS A 830 DEVICE DRIVER USING MAJOR NUMBER 42 IS NONCOMPLIANT. 831 832 43 char isdn4linux virtual modem 833 0 = /dev/ttyI0 First virtual modem 834 ... 835 63 = /dev/ttyI63 64th virtual modem 836 837 43 block Network block devices 838 0 = /dev/nb0 First network block device 839 1 = /dev/nb1 Second network block device 840 ... 841 842 Network Block Device is somehow similar to loopback 843 devices: If you read from it, it sends packet across 844 network asking server for data. If you write to it, it 845 sends packet telling server to write. It could be used 846 to mounting filesystems over the net, swapping over 847 the net, implementing block device in userland etc. 848 849 44 char isdn4linux virtual modem - alternate devices 850 0 = /dev/cui0 Callout device for ttyI0 851 ... 852 63 = /dev/cui63 Callout device for ttyI63 853 854 44 block Flash Translation Layer (FTL) filesystems 855 0 = /dev/ftla FTL on first Memory Technology Device 856 16 = /dev/ftlb FTL on second Memory Technology Device 857 32 = /dev/ftlc FTL on third Memory Technology Device 858 ... 859 240 = /dev/ftlp FTL on 16th Memory Technology Device 860 861 Partitions are handled in the same way as for IDE 862 disks (see major number 3) except that the partition 863 limit is 15 rather than 63 per disk (same as SCSI.) 864 865 45 char isdn4linux ISDN BRI driver 866 0 = /dev/isdn0 First virtual B channel raw data 867 ... 868 63 = /dev/isdn63 64th virtual B channel raw data 869 64 = /dev/isdnctrl0 First channel control/debug 870 ... 871 127 = /dev/isdnctrl63 64th channel control/debug 872 873 128 = /dev/ippp0 First SyncPPP device 874 ... 875 191 = /dev/ippp63 64th SyncPPP device 876 877 255 = /dev/isdninfo ISDN monitor interface 878 879 45 block Parallel port IDE disk devices 880 0 = /dev/pda First parallel port IDE disk 881 16 = /dev/pdb Second parallel port IDE disk 882 32 = /dev/pdc Third parallel port IDE disk 883 48 = /dev/pdd Fourth parallel port IDE disk 884 885 Partitions are handled in the same way as for IDE 886 disks (see major number 3) except that the partition 887 limit is 15 rather than 63 per disk. 888 889 46 char Comtrol Rocketport serial card 890 0 = /dev/ttyR0 First Rocketport port 891 1 = /dev/ttyR1 Second Rocketport port 892 ... 893 46 block Parallel port ATAPI CD-ROM devices 894 0 = /dev/pcd0 First parallel port ATAPI CD-ROM 895 1 = /dev/pcd1 Second parallel port ATAPI CD-ROM 896 2 = /dev/pcd2 Third parallel port ATAPI CD-ROM 897 3 = /dev/pcd3 Fourth parallel port ATAPI CD-ROM 898 899 47 char Comtrol Rocketport serial card - alternate devices 900 0 = /dev/cur0 Callout device for ttyR0 901 1 = /dev/cur1 Callout device for ttyR1 902 ... 903 47 block Parallel port ATAPI disk devices 904 0 = /dev/pf0 First parallel port ATAPI disk 905 1 = /dev/pf1 Second parallel port ATAPI disk 906 2 = /dev/pf2 Third parallel port ATAPI disk 907 3 = /dev/pf3 Fourth parallel port ATAPI disk 908 909 This driver is intended for floppy disks and similar 910 devices and hence does not support partitioning. 911 912 48 char SDL RISCom serial card 913 0 = /dev/ttyL0 First RISCom port 914 1 = /dev/ttyL1 Second RISCom port 915 ... 916 48 block Mylex DAC960 PCI RAID controller; first controller 917 0 = /dev/rd/c0d0 First disk, whole disk 918 8 = /dev/rd/c0d1 Second disk, whole disk 919 ... 920 248 = /dev/rd/c0d31 32nd disk, whole disk 921 922 For partitions add: 923 0 = /dev/rd/c?d? Whole disk 924 1 = /dev/rd/c?d?p1 First partition 925 ... 926 7 = /dev/rd/c?d?p7 Seventh partition 927 928 49 char SDL RISCom serial card - alternate devices 929 0 = /dev/cul0 Callout device for ttyL0 930 1 = /dev/cul1 Callout device for ttyL1 931 ... 932 49 block Mylex DAC960 PCI RAID controller; second controller 933 0 = /dev/rd/c1d0 First disk, whole disk 934 8 = /dev/rd/c1d1 Second disk, whole disk 935 ... 936 248 = /dev/rd/c1d31 32nd disk, whole disk 937 938 Partitions are handled as for major 48. 939 940 50 char Reserved for GLINT 941 942 50 block Mylex DAC960 PCI RAID controller; third controller 943 0 = /dev/rd/c2d0 First disk, whole disk 944 8 = /dev/rd/c2d1 Second disk, whole disk 945 ... 946 248 = /dev/rd/c2d31 32nd disk, whole disk 947 948 51 char Baycom radio modem OR Radio Tech BIM-XXX-RS232 radio modem 949 0 = /dev/bc0 First Baycom radio modem 950 1 = /dev/bc1 Second Baycom radio modem 951 ... 952 51 block Mylex DAC960 PCI RAID controller; fourth controller 953 0 = /dev/rd/c3d0 First disk, whole disk 954 8 = /dev/rd/c3d1 Second disk, whole disk 955 ... 956 248 = /dev/rd/c3d31 32nd disk, whole disk 957 958 Partitions are handled as for major 48. 959 960 52 char Spellcaster DataComm/BRI ISDN card 961 0 = /dev/dcbri0 First DataComm card 962 1 = /dev/dcbri1 Second DataComm card 963 2 = /dev/dcbri2 Third DataComm card 964 3 = /dev/dcbri3 Fourth DataComm card 965 966 52 block Mylex DAC960 PCI RAID controller; fifth controller 967 0 = /dev/rd/c4d0 First disk, whole disk 968 8 = /dev/rd/c4d1 Second disk, whole disk 969 ... 970 248 = /dev/rd/c4d31 32nd disk, whole disk 971 972 Partitions are handled as for major 48. 973 974 53 char BDM interface for remote debugging MC683xx microcontrollers 975 0 = /dev/pd_bdm0 PD BDM interface on lp0 976 1 = /dev/pd_bdm1 PD BDM interface on lp1 977 2 = /dev/pd_bdm2 PD BDM interface on lp2 978 4 = /dev/icd_bdm0 ICD BDM interface on lp0 979 5 = /dev/icd_bdm1 ICD BDM interface on lp1 980 6 = /dev/icd_bdm2 ICD BDM interface on lp2 981 982 This device is used for the interfacing to the MC683xx 983 microcontrollers via Background Debug Mode by use of a 984 Parallel Port interface. PD is the Motorola Public 985 Domain Interface and ICD is the commercial interface 986 by P&E. 987 988 53 block Mylex DAC960 PCI RAID controller; sixth controller 989 0 = /dev/rd/c5d0 First disk, whole disk 990 8 = /dev/rd/c5d1 Second disk, whole disk 991 ... 992 248 = /dev/rd/c5d31 32nd disk, whole disk 993 994 Partitions are handled as for major 48. 995 996 54 char Electrocardiognosis Holter serial card 997 0 = /dev/holter0 First Holter port 998 1 = /dev/holter1 Second Holter port 999 2 = /dev/holter2 Third Holter port 1000 1001 A custom serial card used by Electrocardiognosis SRL 1002 <mseritan@ottonel.pub.ro> to transfer data from Holter 1003 24-hour heart monitoring equipment. 1004 1005 54 block Mylex DAC960 PCI RAID controller; seventh controller 1006 0 = /dev/rd/c6d0 First disk, whole disk 1007 8 = /dev/rd/c6d1 Second disk, whole disk 1008 ... 1009 248 = /dev/rd/c6d31 32nd disk, whole disk 1010 1011 Partitions are handled as for major 48. 1012 1013 55 char DSP56001 digital signal processor 1014 0 = /dev/dsp56k First DSP56001 1015 1016 55 block Mylex DAC960 PCI RAID controller; eighth controller 1017 0 = /dev/rd/c7d0 First disk, whole disk 1018 8 = /dev/rd/c7d1 Second disk, whole disk 1019 ... 1020 248 = /dev/rd/c7d31 32nd disk, whole disk 1021 1022 Partitions are handled as for major 48. 1023 1024 56 char Apple Desktop Bus 1025 0 = /dev/adb ADB bus control 1026 1027 Additional devices will be added to this number, all 1028 starting with /dev/adb. 1029 1030 56 block Fifth IDE hard disk/CD-ROM interface 1031 0 = /dev/hdi Master: whole disk (or CD-ROM) 1032 64 = /dev/hdj Slave: whole disk (or CD-ROM) 1033 1034 Partitions are handled the same way as for the first 1035 interface (see major number 3). 1036 1037 57 char Hayes ESP serial card 1038 0 = /dev/ttyP0 First ESP port 1039 1 = /dev/ttyP1 Second ESP port 1040 ... 1041 1042 57 block Sixth IDE hard disk/CD-ROM interface 1043 0 = /dev/hdk Master: whole disk (or CD-ROM) 1044 64 = /dev/hdl Slave: whole disk (or CD-ROM) 1045 1046 Partitions are handled the same way as for the first 1047 interface (see major number 3). 1048 1049 58 char Hayes ESP serial card - alternate devices 1050 0 = /dev/cup0 Callout device for ttyP0 1051 1 = /dev/cup1 Callout device for ttyP1 1052 ... 1053 1054 58 block Reserved for logical volume manager 1055 1056 59 char sf firewall package 1057 0 = /dev/firewall Communication with sf kernel module 1058 1059 59 block Generic PDA filesystem device 1060 0 = /dev/pda0 First PDA device 1061 1 = /dev/pda1 Second PDA device 1062 ... 1063 1064 The pda devices are used to mount filesystems on 1065 remote pda's (basically slow handheld machines with 1066 proprietary OS's and limited memory and storage 1067 running small fs translation drivers) through serial / 1068 IRDA / parallel links. 1069 1070 NAMING CONFLICT -- PROPOSED REVISED NAME /dev/rpda0 etc 1071 1072 60-63 char LOCAL/EXPERIMENTAL USE 1073 1074 60-63 block LOCAL/EXPERIMENTAL USE 1075 Allocated for local/experimental use. For devices not 1076 assigned official numbers, these ranges should be 1077 used in order to avoid conflicting with future assignments. 1078 1079 64 char ENskip kernel encryption package 1080 0 = /dev/enskip Communication with ENskip kernel module 1081 1082 64 block Scramdisk/DriveCrypt encrypted devices 1083 0 = /dev/scramdisk/master Master node for ioctls 1084 1 = /dev/scramdisk/1 First encrypted device 1085 2 = /dev/scramdisk/2 Second encrypted device 1086 ... 1087 255 = /dev/scramdisk/255 255th encrypted device 1088 1089 The filename of the encrypted container and the passwords 1090 are sent via ioctls (using the sdmount tool) to the master 1091 node which then activates them via one of the 1092 /dev/scramdisk/x nodes for loop mounting (all handled 1093 through the sdmount tool). 1094 1095 Requested by: andy@scramdisklinux.org 1096 1097 65 char Sundance "plink" Transputer boards (obsolete, unused) 1098 0 = /dev/plink0 First plink device 1099 1 = /dev/plink1 Second plink device 1100 2 = /dev/plink2 Third plink device 1101 3 = /dev/plink3 Fourth plink device 1102 64 = /dev/rplink0 First plink device, raw 1103 65 = /dev/rplink1 Second plink device, raw 1104 66 = /dev/rplink2 Third plink device, raw 1105 67 = /dev/rplink3 Fourth plink device, raw 1106 128 = /dev/plink0d First plink device, debug 1107 129 = /dev/plink1d Second plink device, debug 1108 130 = /dev/plink2d Third plink device, debug 1109 131 = /dev/plink3d Fourth plink device, debug 1110 192 = /dev/rplink0d First plink device, raw, debug 1111 193 = /dev/rplink1d Second plink device, raw, debug 1112 194 = /dev/rplink2d Third plink device, raw, debug 1113 195 = /dev/rplink3d Fourth plink device, raw, debug 1114 1115 This is a commercial driver; contact James Howes 1116 <jth@prosig.demon.co.uk> for information. 1117 1118 65 block SCSI disk devices (16-31) 1119 0 = /dev/sdq 17th SCSI disk whole disk 1120 16 = /dev/sdr 18th SCSI disk whole disk 1121 32 = /dev/sds 19th SCSI disk whole disk 1122 ... 1123 240 = /dev/sdaf 32nd SCSI disk whole disk 1124 1125 Partitions are handled in the same way as for IDE 1126 disks (see major number 3) except that the limit on 1127 partitions is 15. 1128 1129 66 char YARC PowerPC PCI coprocessor card 1130 0 = /dev/yppcpci0 First YARC card 1131 1 = /dev/yppcpci1 Second YARC card 1132 ... 1133 1134 66 block SCSI disk devices (32-47) 1135 0 = /dev/sdag 33th SCSI disk whole disk 1136 16 = /dev/sdah 34th SCSI disk whole disk 1137 32 = /dev/sdai 35th SCSI disk whole disk 1138 ... 1139 240 = /dev/sdav 48nd SCSI disk whole disk 1140 1141 Partitions are handled in the same way as for IDE 1142 disks (see major number 3) except that the limit on 1143 partitions is 15. 1144 1145 67 char Coda network file system 1146 0 = /dev/cfs0 Coda cache manager 1147 1148 See http://www.coda.cs.cmu.edu for information about Coda. 1149 1150 67 block SCSI disk devices (48-63) 1151 0 = /dev/sdaw 49th SCSI disk whole disk 1152 16 = /dev/sdax 50th SCSI disk whole disk 1153 32 = /dev/sday 51st SCSI disk whole disk 1154 ... 1155 240 = /dev/sdbl 64th SCSI disk whole disk 1156 1157 Partitions are handled in the same way as for IDE 1158 disks (see major number 3) except that the limit on 1159 partitions is 15. 1160 1161 68 char CAPI 2.0 interface 1162 0 = /dev/capi20 Control device 1163 1 = /dev/capi20.00 First CAPI 2.0 application 1164 2 = /dev/capi20.01 Second CAPI 2.0 application 1165 ... 1166 20 = /dev/capi20.19 19th CAPI 2.0 application 1167 1168 ISDN CAPI 2.0 driver for use with CAPI 2.0 1169 applications; currently supports the AVM B1 card. 1170 1171 68 block SCSI disk devices (64-79) 1172 0 = /dev/sdbm 65th SCSI disk whole disk 1173 16 = /dev/sdbn 66th SCSI disk whole disk 1174 32 = /dev/sdbo 67th SCSI disk whole disk 1175 ... 1176 240 = /dev/sdcb 80th SCSI disk whole disk 1177 1178 Partitions are handled in the same way as for IDE 1179 disks (see major number 3) except that the limit on 1180 partitions is 15. 1181 1182 69 char MA16 numeric accelerator card 1183 0 = /dev/ma16 Board memory access 1184 1185 69 block SCSI disk devices (80-95) 1186 0 = /dev/sdcc 81st SCSI disk whole disk 1187 16 = /dev/sdcd 82nd SCSI disk whole disk 1188 32 = /dev/sdce 83th SCSI disk whole disk 1189 ... 1190 240 = /dev/sdcr 96th SCSI disk whole disk 1191 1192 Partitions are handled in the same way as for IDE 1193 disks (see major number 3) except that the limit on 1194 partitions is 15. 1195 1196 70 char SpellCaster Protocol Services Interface 1197 0 = /dev/apscfg Configuration interface 1198 1 = /dev/apsauth Authentication interface 1199 2 = /dev/apslog Logging interface 1200 3 = /dev/apsdbg Debugging interface 1201 64 = /dev/apsisdn ISDN command interface 1202 65 = /dev/apsasync Async command interface 1203 128 = /dev/apsmon Monitor interface 1204 1205 70 block SCSI disk devices (96-111) 1206 0 = /dev/sdcs 97th SCSI disk whole disk 1207 16 = /dev/sdct 98th SCSI disk whole disk 1208 32 = /dev/sdcu 99th SCSI disk whole disk 1209 ... 1210 240 = /dev/sddh 112nd SCSI disk whole disk 1211 1212 Partitions are handled in the same way as for IDE 1213 disks (see major number 3) except that the limit on 1214 partitions is 15. 1215 1216 71 char Computone IntelliPort II serial card 1217 0 = /dev/ttyF0 IntelliPort II board 0, port 0 1218 1 = /dev/ttyF1 IntelliPort II board 0, port 1 1219 ... 1220 63 = /dev/ttyF63 IntelliPort II board 0, port 63 1221 64 = /dev/ttyF64 IntelliPort II board 1, port 0 1222 65 = /dev/ttyF65 IntelliPort II board 1, port 1 1223 ... 1224 127 = /dev/ttyF127 IntelliPort II board 1, port 63 1225 128 = /dev/ttyF128 IntelliPort II board 2, port 0 1226 129 = /dev/ttyF129 IntelliPort II board 2, port 1 1227 ... 1228 191 = /dev/ttyF191 IntelliPort II board 2, port 63 1229 192 = /dev/ttyF192 IntelliPort II board 3, port 0 1230 193 = /dev/ttyF193 IntelliPort II board 3, port 1 1231 ... 1232 255 = /dev/ttyF255 IntelliPort II board 3, port 63 1233 1234 71 block SCSI disk devices (112-127) 1235 0 = /dev/sddi 113th SCSI disk whole disk 1236 16 = /dev/sddj 114th SCSI disk whole disk 1237 32 = /dev/sddk 115th SCSI disk whole disk 1238 ... 1239 240 = /dev/sddx 128th SCSI disk whole disk 1240 1241 Partitions are handled in the same way as for IDE 1242 disks (see major number 3) except that the limit on 1243 partitions is 15. 1244 1245 72 char Computone IntelliPort II serial card - alternate devices 1246 0 = /dev/cuf0 Callout device for ttyF0 1247 1 = /dev/cuf1 Callout device for ttyF1 1248 ... 1249 63 = /dev/cuf63 Callout device for ttyF63 1250 64 = /dev/cuf64 Callout device for ttyF64 1251 65 = /dev/cuf65 Callout device for ttyF65 1252 ... 1253 127 = /dev/cuf127 Callout device for ttyF127 1254 128 = /dev/cuf128 Callout device for ttyF128 1255 129 = /dev/cuf129 Callout device for ttyF129 1256 ... 1257 191 = /dev/cuf191 Callout device for ttyF191 1258 192 = /dev/cuf192 Callout device for ttyF192 1259 193 = /dev/cuf193 Callout device for ttyF193 1260 ... 1261 255 = /dev/cuf255 Callout device for ttyF255 1262 1263 72 block Compaq Intelligent Drive Array, first controller 1264 0 = /dev/ida/c0d0 First logical drive whole disk 1265 16 = /dev/ida/c0d1 Second logical drive whole disk 1266 ... 1267 240 = /dev/ida/c0d15 16th logical drive whole disk 1268 1269 Partitions are handled the same way as for Mylex 1270 DAC960 (see major number 48) except that the limit on 1271 partitions is 15. 1272 1273 73 char Computone IntelliPort II serial card - control devices 1274 0 = /dev/ip2ipl0 Loadware device for board 0 1275 1 = /dev/ip2stat0 Status device for board 0 1276 4 = /dev/ip2ipl1 Loadware device for board 1 1277 5 = /dev/ip2stat1 Status device for board 1 1278 8 = /dev/ip2ipl2 Loadware device for board 2 1279 9 = /dev/ip2stat2 Status device for board 2 1280 12 = /dev/ip2ipl3 Loadware device for board 3 1281 13 = /dev/ip2stat3 Status device for board 3 1282 1283 73 block Compaq Intelligent Drive Array, second controller 1284 0 = /dev/ida/c1d0 First logical drive whole disk 1285 16 = /dev/ida/c1d1 Second logical drive whole disk 1286 ... 1287 240 = /dev/ida/c1d15 16th logical drive whole disk 1288 1289 Partitions are handled the same way as for Mylex 1290 DAC960 (see major number 48) except that the limit on 1291 partitions is 15. 1292 1293 74 char SCI bridge 1294 0 = /dev/SCI/0 SCI device 0 1295 1 = /dev/SCI/1 SCI device 1 1296 ... 1297 1298 Currently for Dolphin Interconnect Solutions' PCI-SCI 1299 bridge. 1300 1301 74 block Compaq Intelligent Drive Array, third controller 1302 0 = /dev/ida/c2d0 First logical drive whole disk 1303 16 = /dev/ida/c2d1 Second logical drive whole disk 1304 ... 1305 240 = /dev/ida/c2d15 16th logical drive whole disk 1306 1307 Partitions are handled the same way as for Mylex 1308 DAC960 (see major number 48) except that the limit on 1309 partitions is 15. 1310 1311 75 char Specialix IO8+ serial card 1312 0 = /dev/ttyW0 First IO8+ port, first card 1313 1 = /dev/ttyW1 Second IO8+ port, first card 1314 ... 1315 8 = /dev/ttyW8 First IO8+ port, second card 1316 ... 1317 1318 75 block Compaq Intelligent Drive Array, fourth controller 1319 0 = /dev/ida/c3d0 First logical drive whole disk 1320 16 = /dev/ida/c3d1 Second logical drive whole disk 1321 ... 1322 240 = /dev/ida/c3d15 16th logical drive whole disk 1323 1324 Partitions are handled the same way as for Mylex 1325 DAC960 (see major number 48) except that the limit on 1326 partitions is 15. 1327 1328 76 char Specialix IO8+ serial card - alternate devices 1329 0 = /dev/cuw0 Callout device for ttyW0 1330 1 = /dev/cuw1 Callout device for ttyW1 1331 ... 1332 8 = /dev/cuw8 Callout device for ttyW8 1333 ... 1334 1335 76 block Compaq Intelligent Drive Array, fifth controller 1336 0 = /dev/ida/c4d0 First logical drive whole disk 1337 16 = /dev/ida/c4d1 Second logical drive whole disk 1338 ... 1339 240 = /dev/ida/c4d15 16th logical drive whole disk 1340 1341 Partitions are handled the same way as for Mylex 1342 DAC960 (see major number 48) except that the limit on 1343 partitions is 15. 1344 1345 1346 77 char ComScire Quantum Noise Generator 1347 0 = /dev/qng ComScire Quantum Noise Generator 1348 1349 77 block Compaq Intelligent Drive Array, sixth controller 1350 0 = /dev/ida/c5d0 First logical drive whole disk 1351 16 = /dev/ida/c5d1 Second logical drive whole disk 1352 ... 1353 240 = /dev/ida/c5d15 16th logical drive whole disk 1354 1355 Partitions are handled the same way as for Mylex 1356 DAC960 (see major number 48) except that the limit on 1357 partitions is 15. 1358 1359 78 char PAM Software's multimodem boards 1360 0 = /dev/ttyM0 First PAM modem 1361 1 = /dev/ttyM1 Second PAM modem 1362 ... 1363 1364 78 block Compaq Intelligent Drive Array, seventh controller 1365 0 = /dev/ida/c6d0 First logical drive whole disk 1366 16 = /dev/ida/c6d1 Second logical drive whole disk 1367 ... 1368 240 = /dev/ida/c6d15 16th logical drive whole disk 1369 1370 Partitions are handled the same way as for Mylex 1371 DAC960 (see major number 48) except that the limit on 1372 partitions is 15. 1373 1374 79 char PAM Software's multimodem boards - alternate devices 1375 0 = /dev/cum0 Callout device for ttyM0 1376 1 = /dev/cum1 Callout device for ttyM1 1377 ... 1378 1379 79 block Compaq Intelligent Drive Array, eighth controller 1380 0 = /dev/ida/c7d0 First logical drive whole disk 1381 16 = /dev/ida/c7d1 Second logical drive whole disk 1382 ... 1383 240 = /dev/ida/c715 16th logical drive whole disk 1384 1385 Partitions are handled the same way as for Mylex 1386 DAC960 (see major number 48) except that the limit on 1387 partitions is 15. 1388 1389 80 char Photometrics AT200 CCD camera 1390 0 = /dev/at200 Photometrics AT200 CCD camera 1391 1392 80 block I2O hard disk 1393 0 = /dev/i2o/hda First I2O hard disk, whole disk 1394 16 = /dev/i2o/hdb Second I2O hard disk, whole disk 1395 ... 1396 240 = /dev/i2o/hdp 16th I2O hard disk, whole disk 1397 1398 Partitions are handled in the same way as for IDE 1399 disks (see major number 3) except that the limit on 1400 partitions is 15. 1401 1402 81 char video4linux 1403 0 = /dev/video0 Video capture/overlay device 1404 ... 1405 63 = /dev/video63 Video capture/overlay device 1406 64 = /dev/radio0 Radio device 1407 ... 1408 127 = /dev/radio63 Radio device 1409 128 = /dev/swradio0 Software Defined Radio device 1410 ... 1411 191 = /dev/swradio63 Software Defined Radio device 1412 224 = /dev/vbi0 Vertical blank interrupt 1413 ... 1414 255 = /dev/vbi31 Vertical blank interrupt 1415 1416 Minor numbers are allocated dynamically unless 1417 CONFIG_VIDEO_FIXED_MINOR_RANGES (default n) 1418 configuration option is set. 1419 1420 81 block I2O hard disk 1421 0 = /dev/i2o/hdq 17th I2O hard disk, whole disk 1422 16 = /dev/i2o/hdr 18th I2O hard disk, whole disk 1423 ... 1424 240 = /dev/i2o/hdaf 32nd I2O hard disk, whole disk 1425 1426 Partitions are handled in the same way as for IDE 1427 disks (see major number 3) except that the limit on 1428 partitions is 15. 1429 1430 82 char WiNRADiO communications receiver card 1431 0 = /dev/winradio0 First WiNRADiO card 1432 1 = /dev/winradio1 Second WiNRADiO card 1433 ... 1434 1435 The driver and documentation may be obtained from 1436 https://www.winradio.com/ 1437 1438 82 block I2O hard disk 1439 0 = /dev/i2o/hdag 33rd I2O hard disk, whole disk 1440 16 = /dev/i2o/hdah 34th I2O hard disk, whole disk 1441 ... 1442 240 = /dev/i2o/hdav 48th I2O hard disk, whole disk 1443 1444 Partitions are handled in the same way as for IDE 1445 disks (see major number 3) except that the limit on 1446 partitions is 15. 1447 1448 83 char Matrox mga_vid video driver 1449 0 = /dev/mga_vid0 1st video card 1450 1 = /dev/mga_vid1 2nd video card 1451 2 = /dev/mga_vid2 3rd video card 1452 ... 1453 15 = /dev/mga_vid15 16th video card 1454 1455 83 block I2O hard disk 1456 0 = /dev/i2o/hdaw 49th I2O hard disk, whole disk 1457 16 = /dev/i2o/hdax 50th I2O hard disk, whole disk 1458 ... 1459 240 = /dev/i2o/hdbl 64th I2O hard disk, whole disk 1460 1461 Partitions are handled in the same way as for IDE 1462 disks (see major number 3) except that the limit on 1463 partitions is 15. 1464 1465 84 char Ikon 1011[57] Versatec Greensheet Interface 1466 0 = /dev/ihcp0 First Greensheet port 1467 1 = /dev/ihcp1 Second Greensheet port 1468 1469 84 block I2O hard disk 1470 0 = /dev/i2o/hdbm 65th I2O hard disk, whole disk 1471 16 = /dev/i2o/hdbn 66th I2O hard disk, whole disk 1472 ... 1473 240 = /dev/i2o/hdcb 80th I2O hard disk, whole disk 1474 1475 Partitions are handled in the same way as for IDE 1476 disks (see major number 3) except that the limit on 1477 partitions is 15. 1478 1479 85 char Linux/SGI shared memory input queue 1480 0 = /dev/shmiq Master shared input queue 1481 1 = /dev/qcntl0 First device pushed 1482 2 = /dev/qcntl1 Second device pushed 1483 ... 1484 1485 85 block I2O hard disk 1486 0 = /dev/i2o/hdcc 81st I2O hard disk, whole disk 1487 16 = /dev/i2o/hdcd 82nd I2O hard disk, whole disk 1488 ... 1489 240 = /dev/i2o/hdcr 96th I2O hard disk, whole disk 1490 1491 Partitions are handled in the same way as for IDE 1492 disks (see major number 3) except that the limit on 1493 partitions is 15. 1494 1495 86 char SCSI media changer 1496 0 = /dev/sch0 First SCSI media changer 1497 1 = /dev/sch1 Second SCSI media changer 1498 ... 1499 1500 86 block I2O hard disk 1501 0 = /dev/i2o/hdcs 97th I2O hard disk, whole disk 1502 16 = /dev/i2o/hdct 98th I2O hard disk, whole disk 1503 ... 1504 240 = /dev/i2o/hddh 112th I2O hard disk, whole disk 1505 1506 Partitions are handled in the same way as for IDE 1507 disks (see major number 3) except that the limit on 1508 partitions is 15. 1509 1510 87 char Sony Control-A1 stereo control bus 1511 0 = /dev/controla0 First device on chain 1512 1 = /dev/controla1 Second device on chain 1513 ... 1514 1515 87 block I2O hard disk 1516 0 = /dev/i2o/hddi 113rd I2O hard disk, whole disk 1517 16 = /dev/i2o/hddj 114th I2O hard disk, whole disk 1518 ... 1519 240 = /dev/i2o/hddx 128th I2O hard disk, whole disk 1520 1521 Partitions are handled in the same way as for IDE 1522 disks (see major number 3) except that the limit on 1523 partitions is 15. 1524 1525 88 char COMX synchronous serial card 1526 0 = /dev/comx0 COMX channel 0 1527 1 = /dev/comx1 COMX channel 1 1528 ... 1529 1530 88 block Seventh IDE hard disk/CD-ROM interface 1531 0 = /dev/hdm Master: whole disk (or CD-ROM) 1532 64 = /dev/hdn Slave: whole disk (or CD-ROM) 1533 1534 Partitions are handled the same way as for the first 1535 interface (see major number 3). 1536 1537 89 char I2C bus interface 1538 0 = /dev/i2c-0 First I2C adapter 1539 1 = /dev/i2c-1 Second I2C adapter 1540 ... 1541 1542 89 block Eighth IDE hard disk/CD-ROM interface 1543 0 = /dev/hdo Master: whole disk (or CD-ROM) 1544 64 = /dev/hdp Slave: whole disk (or CD-ROM) 1545 1546 Partitions are handled the same way as for the first 1547 interface (see major number 3). 1548 1549 90 char Memory Technology Device (RAM, ROM, Flash) 1550 0 = /dev/mtd0 First MTD (rw) 1551 1 = /dev/mtdr0 First MTD (ro) 1552 ... 1553 30 = /dev/mtd15 16th MTD (rw) 1554 31 = /dev/mtdr15 16th MTD (ro) 1555 1556 90 block Ninth IDE hard disk/CD-ROM interface 1557 0 = /dev/hdq Master: whole disk (or CD-ROM) 1558 64 = /dev/hdr Slave: whole disk (or CD-ROM) 1559 1560 Partitions are handled the same way as for the first 1561 interface (see major number 3). 1562 1563 91 char CAN-Bus devices 1564 0 = /dev/can0 First CAN-Bus controller 1565 1 = /dev/can1 Second CAN-Bus controller 1566 ... 1567 1568 91 block Tenth IDE hard disk/CD-ROM interface 1569 0 = /dev/hds Master: whole disk (or CD-ROM) 1570 64 = /dev/hdt Slave: whole disk (or CD-ROM) 1571 1572 Partitions are handled the same way as for the first 1573 interface (see major number 3). 1574 1575 92 char Reserved for ith Kommunikationstechnik MIC ISDN card 1576 1577 92 block PPDD encrypted disk driver 1578 0 = /dev/ppdd0 First encrypted disk 1579 1 = /dev/ppdd1 Second encrypted disk 1580 ... 1581 1582 Partitions are handled in the same way as for IDE 1583 disks (see major number 3) except that the limit on 1584 partitions is 15. 1585 1586 93 char 1587 1588 93 block NAND Flash Translation Layer filesystem 1589 0 = /dev/nftla First NFTL layer 1590 16 = /dev/nftlb Second NFTL layer 1591 ... 1592 240 = /dev/nftlp 16th NTFL layer 1593 1594 94 char 1595 1596 94 block IBM S/390 DASD block storage 1597 0 = /dev/dasda First DASD device, major 1598 1 = /dev/dasda1 First DASD device, block 1 1599 2 = /dev/dasda2 First DASD device, block 2 1600 3 = /dev/dasda3 First DASD device, block 3 1601 4 = /dev/dasdb Second DASD device, major 1602 5 = /dev/dasdb1 Second DASD device, block 1 1603 6 = /dev/dasdb2 Second DASD device, block 2 1604 7 = /dev/dasdb3 Second DASD device, block 3 1605 ... 1606 1607 95 char IP filter 1608 0 = /dev/ipl Filter control device/log file 1609 1 = /dev/ipnat NAT control device/log file 1610 2 = /dev/ipstate State information log file 1611 3 = /dev/ipauth Authentication control device/log file 1612 ... 1613 1614 96 char Parallel port ATAPI tape devices 1615 0 = /dev/pt0 First parallel port ATAPI tape 1616 1 = /dev/pt1 Second parallel port ATAPI tape 1617 ... 1618 128 = /dev/npt0 First p.p. ATAPI tape, no rewind 1619 129 = /dev/npt1 Second p.p. ATAPI tape, no rewind 1620 ... 1621 1622 96 block Inverse NAND Flash Translation Layer 1623 0 = /dev/inftla First INFTL layer 1624 16 = /dev/inftlb Second INFTL layer 1625 ... 1626 240 = /dev/inftlp 16th INTFL layer 1627 1628 97 char Parallel port generic ATAPI interface 1629 0 = /dev/pg0 First parallel port ATAPI device 1630 1 = /dev/pg1 Second parallel port ATAPI device 1631 2 = /dev/pg2 Third parallel port ATAPI device 1632 3 = /dev/pg3 Fourth parallel port ATAPI device 1633 1634 These devices support the same API as the generic SCSI 1635 devices. 1636 1637 98 char Control and Measurement Device (comedi) 1638 0 = /dev/comedi0 First comedi device 1639 1 = /dev/comedi1 Second comedi device 1640 ... 1641 47 = /dev/comedi47 48th comedi device 1642 1643 Minors 48 to 255 are reserved for comedi subdevices with 1644 pathnames of the form "/dev/comediX_subdY", where "X" is the 1645 minor number of the associated comedi device and "Y" is the 1646 subdevice number. These subdevice minors are assigned 1647 dynamically, so there is no fixed mapping from subdevice 1648 pathnames to minor numbers. 1649 1650 See https://www.comedi.org/ for information about the Comedi 1651 project. 1652 1653 98 block User-mode virtual block device 1654 0 = /dev/ubda First user-mode block device 1655 16 = /dev/ubdb Second user-mode block device 1656 ... 1657 1658 Partitions are handled in the same way as for IDE 1659 disks (see major number 3) except that the limit on 1660 partitions is 15. 1661 1662 This device is used by the user-mode virtual kernel port. 1663 1664 99 char Raw parallel ports 1665 0 = /dev/parport0 First parallel port 1666 1 = /dev/parport1 Second parallel port 1667 ... 1668 1669 99 block JavaStation flash disk 1670 0 = /dev/jsfd JavaStation flash disk 1671 1672 100 char Telephony for Linux 1673 0 = /dev/phone0 First telephony device 1674 1 = /dev/phone1 Second telephony device 1675 ... 1676 1677 101 char Motorola DSP 56xxx board 1678 0 = /dev/mdspstat Status information 1679 1 = /dev/mdsp1 First DSP board I/O controls 1680 ... 1681 16 = /dev/mdsp16 16th DSP board I/O controls 1682 1683 101 block AMI HyperDisk RAID controller 1684 0 = /dev/amiraid/ar0 First array whole disk 1685 16 = /dev/amiraid/ar1 Second array whole disk 1686 ... 1687 240 = /dev/amiraid/ar15 16th array whole disk 1688 1689 For each device, partitions are added as: 1690 0 = /dev/amiraid/ar? Whole disk 1691 1 = /dev/amiraid/ar?p1 First partition 1692 2 = /dev/amiraid/ar?p2 Second partition 1693 ... 1694 15 = /dev/amiraid/ar?p15 15th partition 1695 1696 102 char 1697 1698 102 block Compressed block device 1699 0 = /dev/cbd/a First compressed block device, whole device 1700 16 = /dev/cbd/b Second compressed block device, whole device 1701 ... 1702 240 = /dev/cbd/p 16th compressed block device, whole device 1703 1704 Partitions are handled in the same way as for IDE 1705 disks (see major number 3) except that the limit on 1706 partitions is 15. 1707 1708 103 char Arla network file system 1709 0 = /dev/nnpfs0 First NNPFS device 1710 1 = /dev/nnpfs1 Second NNPFS device 1711 1712 Arla is a free clone of the Andrew File System, AFS. 1713 The NNPFS device gives user mode filesystem 1714 implementations a kernel presence for caching and easy 1715 mounting. For more information about the project, 1716 write to <arla-drinkers@stacken.kth.se> or see 1717 https://www.stacken.kth.se/project/arla/ 1718 1719 103 block Audit device 1720 0 = /dev/audit Audit device 1721 1722 104 char Flash BIOS support 1723 1724 104 block Compaq Next Generation Drive Array, first controller 1725 0 = /dev/cciss/c0d0 First logical drive, whole disk 1726 16 = /dev/cciss/c0d1 Second logical drive, whole disk 1727 ... 1728 240 = /dev/cciss/c0d15 16th logical drive, whole disk 1729 1730 Partitions are handled the same way as for Mylex 1731 DAC960 (see major number 48) except that the limit on 1732 partitions is 15. 1733 1734 105 char Comtrol VS-1000 serial controller 1735 0 = /dev/ttyV0 First VS-1000 port 1736 1 = /dev/ttyV1 Second VS-1000 port 1737 ... 1738 1739 105 block Compaq Next Generation Drive Array, second controller 1740 0 = /dev/cciss/c1d0 First logical drive, whole disk 1741 16 = /dev/cciss/c1d1 Second logical drive, whole disk 1742 ... 1743 240 = /dev/cciss/c1d15 16th logical drive, whole disk 1744 1745 Partitions are handled the same way as for Mylex 1746 DAC960 (see major number 48) except that the limit on 1747 partitions is 15. 1748 1749 106 char Comtrol VS-1000 serial controller - alternate devices 1750 0 = /dev/cuv0 First VS-1000 port 1751 1 = /dev/cuv1 Second VS-1000 port 1752 ... 1753 1754 106 block Compaq Next Generation Drive Array, third controller 1755 0 = /dev/cciss/c2d0 First logical drive, whole disk 1756 16 = /dev/cciss/c2d1 Second logical drive, whole disk 1757 ... 1758 240 = /dev/cciss/c2d15 16th logical drive, whole disk 1759 1760 Partitions are handled the same way as for Mylex 1761 DAC960 (see major number 48) except that the limit on 1762 partitions is 15. 1763 1764 107 char 3Dfx Voodoo Graphics device 1765 0 = /dev/3dfx Primary 3Dfx graphics device 1766 1767 107 block Compaq Next Generation Drive Array, fourth controller 1768 0 = /dev/cciss/c3d0 First logical drive, whole disk 1769 16 = /dev/cciss/c3d1 Second logical drive, whole disk 1770 ... 1771 240 = /dev/cciss/c3d15 16th logical drive, whole disk 1772 1773 Partitions are handled the same way as for Mylex 1774 DAC960 (see major number 48) except that the limit on 1775 partitions is 15. 1776 1777 108 char Device independent PPP interface 1778 0 = /dev/ppp Device independent PPP interface 1779 1780 108 block Compaq Next Generation Drive Array, fifth controller 1781 0 = /dev/cciss/c4d0 First logical drive, whole disk 1782 16 = /dev/cciss/c4d1 Second logical drive, whole disk 1783 ... 1784 240 = /dev/cciss/c4d15 16th logical drive, whole disk 1785 1786 Partitions are handled the same way as for Mylex 1787 DAC960 (see major number 48) except that the limit on 1788 partitions is 15. 1789 1790 109 char Reserved for logical volume manager 1791 1792 109 block Compaq Next Generation Drive Array, sixth controller 1793 0 = /dev/cciss/c5d0 First logical drive, whole disk 1794 16 = /dev/cciss/c5d1 Second logical drive, whole disk 1795 ... 1796 240 = /dev/cciss/c5d15 16th logical drive, whole disk 1797 1798 Partitions are handled the same way as for Mylex 1799 DAC960 (see major number 48) except that the limit on 1800 partitions is 15. 1801 1802 110 char miroMEDIA Surround board 1803 0 = /dev/srnd0 First miroMEDIA Surround board 1804 1 = /dev/srnd1 Second miroMEDIA Surround board 1805 ... 1806 1807 110 block Compaq Next Generation Drive Array, seventh controller 1808 0 = /dev/cciss/c6d0 First logical drive, whole disk 1809 16 = /dev/cciss/c6d1 Second logical drive, whole disk 1810 ... 1811 240 = /dev/cciss/c6d15 16th logical drive, whole disk 1812 1813 Partitions are handled the same way as for Mylex 1814 DAC960 (see major number 48) except that the limit on 1815 partitions is 15. 1816 1817 111 char 1818 1819 111 block Compaq Next Generation Drive Array, eighth controller 1820 0 = /dev/cciss/c7d0 First logical drive, whole disk 1821 16 = /dev/cciss/c7d1 Second logical drive, whole disk 1822 ... 1823 240 = /dev/cciss/c7d15 16th logical drive, whole disk 1824 1825 Partitions are handled the same way as for Mylex 1826 DAC960 (see major number 48) except that the limit on 1827 partitions is 15. 1828 1829 112 char ISI serial card 1830 0 = /dev/ttyM0 First ISI port 1831 1 = /dev/ttyM1 Second ISI port 1832 ... 1833 1834 There is currently a device-naming conflict between 1835 these and PAM multimodems (major 78). 1836 1837 112 block IBM iSeries virtual disk 1838 0 = /dev/iseries/vda First virtual disk, whole disk 1839 8 = /dev/iseries/vdb Second virtual disk, whole disk 1840 ... 1841 200 = /dev/iseries/vdz 26th virtual disk, whole disk 1842 208 = /dev/iseries/vdaa 27th virtual disk, whole disk 1843 ... 1844 248 = /dev/iseries/vdaf 32nd virtual disk, whole disk 1845 1846 Partitions are handled in the same way as for IDE 1847 disks (see major number 3) except that the limit on 1848 partitions is 7. 1849 1850 113 char ISI serial card - alternate devices 1851 0 = /dev/cum0 Callout device for ttyM0 1852 1 = /dev/cum1 Callout device for ttyM1 1853 ... 1854 1855 113 block IBM iSeries virtual CD-ROM 1856 0 = /dev/iseries/vcda First virtual CD-ROM 1857 1 = /dev/iseries/vcdb Second virtual CD-ROM 1858 ... 1859 1860 114 char Picture Elements ISE board 1861 0 = /dev/ise0 First ISE board 1862 1 = /dev/ise1 Second ISE board 1863 ... 1864 128 = /dev/isex0 Control node for first ISE board 1865 129 = /dev/isex1 Control node for second ISE board 1866 ... 1867 1868 The ISE board is an embedded computer, optimized for 1869 image processing. The /dev/iseN nodes are the general 1870 I/O access to the board, the /dev/isex0 nodes command 1871 nodes used to control the board. 1872 1873 114 block IDE BIOS powered software RAID interfaces such as the 1874 Promise Fastrak 1875 1876 0 = /dev/ataraid/d0 1877 1 = /dev/ataraid/d0p1 1878 2 = /dev/ataraid/d0p2 1879 ... 1880 16 = /dev/ataraid/d1 1881 17 = /dev/ataraid/d1p1 1882 18 = /dev/ataraid/d1p2 1883 ... 1884 255 = /dev/ataraid/d15p15 1885 1886 Partitions are handled in the same way as for IDE 1887 disks (see major number 3) except that the limit on 1888 partitions is 15. 1889 1890 115 char TI link cable devices (115 was formerly the console driver speaker) 1891 0 = /dev/tipar0 Parallel cable on first parallel port 1892 ... 1893 7 = /dev/tipar7 Parallel cable on seventh parallel port 1894 1895 8 = /dev/tiser0 Serial cable on first serial port 1896 ... 1897 15 = /dev/tiser7 Serial cable on seventh serial port 1898 1899 16 = /dev/tiusb0 First USB cable 1900 ... 1901 47 = /dev/tiusb31 32nd USB cable 1902 1903 115 block NetWare (NWFS) Devices (0-255) 1904 1905 The NWFS (NetWare) devices are used to present a 1906 collection of NetWare Mirror Groups or NetWare 1907 Partitions as a logical storage segment for 1908 use in mounting NetWare volumes. A maximum of 1909 256 NetWare volumes can be supported in a single 1910 machine. 1911 1912 http://cgfa.telepac.pt/ftp2/kernel.org/linux/kernel/people/jmerkey/nwfs/ 1913 1914 0 = /dev/nwfs/v0 First NetWare (NWFS) Logical Volume 1915 1 = /dev/nwfs/v1 Second NetWare (NWFS) Logical Volume 1916 2 = /dev/nwfs/v2 Third NetWare (NWFS) Logical Volume 1917 ... 1918 255 = /dev/nwfs/v255 Last NetWare (NWFS) Logical Volume 1919 1920 116 char Advanced Linux Sound Driver (ALSA) 1921 1922 116 block MicroMemory battery backed RAM adapter (NVRAM) 1923 Supports 16 boards, 15 partitions each. 1924 Requested by neilb at cse.unsw.edu.au. 1925 1926 0 = /dev/umem/d0 Whole of first board 1927 1 = /dev/umem/d0p1 First partition of first board 1928 2 = /dev/umem/d0p2 Second partition of first board 1929 15 = /dev/umem/d0p15 15th partition of first board 1930 1931 16 = /dev/umem/d1 Whole of second board 1932 17 = /dev/umem/d1p1 First partition of second board 1933 ... 1934 255= /dev/umem/d15p15 15th partition of 16th board. 1935 1936 117 char [REMOVED] COSA/SRP synchronous serial card 1937 0 = /dev/cosa0c0 1st board, 1st channel 1938 1 = /dev/cosa0c1 1st board, 2nd channel 1939 ... 1940 16 = /dev/cosa1c0 2nd board, 1st channel 1941 17 = /dev/cosa1c1 2nd board, 2nd channel 1942 ... 1943 1944 117 block Enterprise Volume Management System (EVMS) 1945 1946 The EVMS driver uses a layered, plug-in model to provide 1947 unparalleled flexibility and extensibility in managing 1948 storage. This allows for easy expansion or customization 1949 of various levels of volume management. Requested by 1950 Mark Peloquin (peloquin at us.ibm.com). 1951 1952 Note: EVMS populates and manages all the devnodes in 1953 /dev/evms. 1954 1955 http://sf.net/projects/evms 1956 1957 0 = /dev/evms/block_device EVMS block device 1958 1 = /dev/evms/legacyname1 First EVMS legacy device 1959 2 = /dev/evms/legacyname2 Second EVMS legacy device 1960 ... 1961 Both ranges can grow (down or up) until they meet. 1962 ... 1963 254 = /dev/evms/EVMSname2 Second EVMS native device 1964 255 = /dev/evms/EVMSname1 First EVMS native device 1965 1966 Note: legacyname(s) are derived from the normal legacy 1967 device names. For example, /dev/hda5 would become 1968 /dev/evms/hda5. 1969 1970 118 char IBM Cryptographic Accelerator 1971 0 = /dev/ica Virtual interface to all IBM Crypto Accelerators 1972 1 = /dev/ica0 IBMCA Device 0 1973 2 = /dev/ica1 IBMCA Device 1 1974 ... 1975 1976 119 char VMware virtual network control 1977 0 = /dev/vnet0 1st virtual network 1978 1 = /dev/vnet1 2nd virtual network 1979 ... 1980 1981 120-127 char LOCAL/EXPERIMENTAL USE 1982 1983 120-127 block LOCAL/EXPERIMENTAL USE 1984 Allocated for local/experimental use. For devices not 1985 assigned official numbers, these ranges should be 1986 used in order to avoid conflicting with future assignments. 1987 1988 128-135 char Unix98 PTY masters 1989 1990 These devices should not have corresponding device 1991 nodes; instead they should be accessed through the 1992 /dev/ptmx cloning interface. 1993 1994 128 block SCSI disk devices (128-143) 1995 0 = /dev/sddy 129th SCSI disk whole disk 1996 16 = /dev/sddz 130th SCSI disk whole disk 1997 32 = /dev/sdea 131th SCSI disk whole disk 1998 ... 1999 240 = /dev/sden 144th SCSI disk whole disk 2000 2001 Partitions are handled in the same way as for IDE 2002 disks (see major number 3) except that the limit on 2003 partitions is 15. 2004 2005 129 block SCSI disk devices (144-159) 2006 0 = /dev/sdeo 145th SCSI disk whole disk 2007 16 = /dev/sdep 146th SCSI disk whole disk 2008 32 = /dev/sdeq 147th SCSI disk whole disk 2009 ... 2010 240 = /dev/sdfd 160th SCSI disk whole disk 2011 2012 Partitions are handled in the same way as for IDE 2013 disks (see major number 3) except that the limit on 2014 partitions is 15. 2015 2016 130 char (Misc devices) 2017 2018 130 block SCSI disk devices (160-175) 2019 0 = /dev/sdfe 161st SCSI disk whole disk 2020 16 = /dev/sdff 162nd SCSI disk whole disk 2021 32 = /dev/sdfg 163rd SCSI disk whole disk 2022 ... 2023 240 = /dev/sdft 176th SCSI disk whole disk 2024 2025 Partitions are handled in the same way as for IDE 2026 disks (see major number 3) except that the limit on 2027 partitions is 15. 2028 2029 131 block SCSI disk devices (176-191) 2030 0 = /dev/sdfu 177th SCSI disk whole disk 2031 16 = /dev/sdfv 178th SCSI disk whole disk 2032 32 = /dev/sdfw 179th SCSI disk whole disk 2033 ... 2034 240 = /dev/sdgj 192nd SCSI disk whole disk 2035 2036 Partitions are handled in the same way as for IDE 2037 disks (see major number 3) except that the limit on 2038 partitions is 15. 2039 2040 132 block SCSI disk devices (192-207) 2041 0 = /dev/sdgk 193rd SCSI disk whole disk 2042 16 = /dev/sdgl 194th SCSI disk whole disk 2043 32 = /dev/sdgm 195th SCSI disk whole disk 2044 ... 2045 240 = /dev/sdgz 208th SCSI disk whole disk 2046 2047 Partitions are handled in the same way as for IDE 2048 disks (see major number 3) except that the limit on 2049 partitions is 15. 2050 2051 133 block SCSI disk devices (208-223) 2052 0 = /dev/sdha 209th SCSI disk whole disk 2053 16 = /dev/sdhb 210th SCSI disk whole disk 2054 32 = /dev/sdhc 211th SCSI disk whole disk 2055 ... 2056 240 = /dev/sdhp 224th SCSI disk whole disk 2057 2058 Partitions are handled in the same way as for IDE 2059 disks (see major number 3) except that the limit on 2060 partitions is 15. 2061 2062 134 block SCSI disk devices (224-239) 2063 0 = /dev/sdhq 225th SCSI disk whole disk 2064 16 = /dev/sdhr 226th SCSI disk whole disk 2065 32 = /dev/sdhs 227th SCSI disk whole disk 2066 ... 2067 240 = /dev/sdif 240th SCSI disk whole disk 2068 2069 Partitions are handled in the same way as for IDE 2070 disks (see major number 3) except that the limit on 2071 partitions is 15. 2072 2073 135 block SCSI disk devices (240-255) 2074 0 = /dev/sdig 241st SCSI disk whole disk 2075 16 = /dev/sdih 242nd SCSI disk whole disk 2076 32 = /dev/sdih 243rd SCSI disk whole disk 2077 ... 2078 240 = /dev/sdiv 256th SCSI disk whole disk 2079 2080 Partitions are handled in the same way as for IDE 2081 disks (see major number 3) except that the limit on 2082 partitions is 15. 2083 2084 136-143 char Unix98 PTY slaves 2085 0 = /dev/pts/0 First Unix98 pseudo-TTY 2086 1 = /dev/pts/1 Second Unix98 pseudo-TTY 2087 ... 2088 2089 These device nodes are automatically generated with 2090 the proper permissions and modes by mounting the 2091 devpts filesystem onto /dev/pts with the appropriate 2092 mount options (distribution dependent, however, on 2093 *most* distributions the appropriate options are 2094 "mode=0620,gid=<gid of the "tty" group>".) 2095 2096 136 block Mylex DAC960 PCI RAID controller; ninth controller 2097 0 = /dev/rd/c8d0 First disk, whole disk 2098 8 = /dev/rd/c8d1 Second disk, whole disk 2099 ... 2100 248 = /dev/rd/c8d31 32nd disk, whole disk 2101 2102 Partitions are handled as for major 48. 2103 2104 137 block Mylex DAC960 PCI RAID controller; tenth controller 2105 0 = /dev/rd/c9d0 First disk, whole disk 2106 8 = /dev/rd/c9d1 Second disk, whole disk 2107 ... 2108 248 = /dev/rd/c9d31 32nd disk, whole disk 2109 2110 Partitions are handled as for major 48. 2111 2112 138 block Mylex DAC960 PCI RAID controller; eleventh controller 2113 0 = /dev/rd/c10d0 First disk, whole disk 2114 8 = /dev/rd/c10d1 Second disk, whole disk 2115 ... 2116 248 = /dev/rd/c10d31 32nd disk, whole disk 2117 2118 Partitions are handled as for major 48. 2119 2120 139 block Mylex DAC960 PCI RAID controller; twelfth controller 2121 0 = /dev/rd/c11d0 First disk, whole disk 2122 8 = /dev/rd/c11d1 Second disk, whole disk 2123 ... 2124 248 = /dev/rd/c11d31 32nd disk, whole disk 2125 2126 Partitions are handled as for major 48. 2127 2128 140 block Mylex DAC960 PCI RAID controller; thirteenth controller 2129 0 = /dev/rd/c12d0 First disk, whole disk 2130 8 = /dev/rd/c12d1 Second disk, whole disk 2131 ... 2132 248 = /dev/rd/c12d31 32nd disk, whole disk 2133 2134 Partitions are handled as for major 48. 2135 2136 141 block Mylex DAC960 PCI RAID controller; fourteenth controller 2137 0 = /dev/rd/c13d0 First disk, whole disk 2138 8 = /dev/rd/c13d1 Second disk, whole disk 2139 ... 2140 248 = /dev/rd/c13d31 32nd disk, whole disk 2141 2142 Partitions are handled as for major 48. 2143 2144 142 block Mylex DAC960 PCI RAID controller; fifteenth controller 2145 0 = /dev/rd/c14d0 First disk, whole disk 2146 8 = /dev/rd/c14d1 Second disk, whole disk 2147 ... 2148 248 = /dev/rd/c14d31 32nd disk, whole disk 2149 2150 Partitions are handled as for major 48. 2151 2152 143 block Mylex DAC960 PCI RAID controller; sixteenth controller 2153 0 = /dev/rd/c15d0 First disk, whole disk 2154 8 = /dev/rd/c15d1 Second disk, whole disk 2155 ... 2156 248 = /dev/rd/c15d31 32nd disk, whole disk 2157 2158 Partitions are handled as for major 48. 2159 2160 144 char Encapsulated PPP 2161 0 = /dev/pppox0 First PPP over Ethernet 2162 ... 2163 63 = /dev/pppox63 64th PPP over Ethernet 2164 2165 This is primarily used for ADSL. 2166 2167 The SST 5136-DN DeviceNet interface driver has been 2168 relocated to major 183 due to an unfortunate conflict. 2169 2170 144 block Expansion Area #1 for more non-device (e.g. NFS) mounts 2171 0 = mounted device 256 2172 255 = mounted device 511 2173 2174 145 char SAM9407-based soundcard 2175 0 = /dev/sam0_mixer 2176 1 = /dev/sam0_sequencer 2177 2 = /dev/sam0_midi00 2178 3 = /dev/sam0_dsp 2179 4 = /dev/sam0_audio 2180 6 = /dev/sam0_sndstat 2181 18 = /dev/sam0_midi01 2182 34 = /dev/sam0_midi02 2183 50 = /dev/sam0_midi03 2184 64 = /dev/sam1_mixer 2185 ... 2186 128 = /dev/sam2_mixer 2187 ... 2188 192 = /dev/sam3_mixer 2189 ... 2190 2191 Device functions match OSS, but offer a number of 2192 addons, which are sam9407 specific. OSS can be 2193 operated simultaneously, taking care of the codec. 2194 2195 145 block Expansion Area #2 for more non-device (e.g. NFS) mounts 2196 0 = mounted device 512 2197 255 = mounted device 767 2198 2199 146 char SYSTRAM SCRAMNet mirrored-memory network 2200 0 = /dev/scramnet0 First SCRAMNet device 2201 1 = /dev/scramnet1 Second SCRAMNet device 2202 ... 2203 2204 146 block Expansion Area #3 for more non-device (e.g. NFS) mounts 2205 0 = mounted device 768 2206 255 = mounted device 1023 2207 2208 147 char Aureal Semiconductor Vortex Audio device 2209 0 = /dev/aureal0 First Aureal Vortex 2210 1 = /dev/aureal1 Second Aureal Vortex 2211 ... 2212 2213 147 block Distributed Replicated Block Device (DRBD) 2214 0 = /dev/drbd0 First DRBD device 2215 1 = /dev/drbd1 Second DRBD device 2216 ... 2217 2218 148 char Technology Concepts serial card 2219 0 = /dev/ttyT0 First TCL port 2220 1 = /dev/ttyT1 Second TCL port 2221 ... 2222 2223 149 char Technology Concepts serial card - alternate devices 2224 0 = /dev/cut0 Callout device for ttyT0 2225 1 = /dev/cut0 Callout device for ttyT1 2226 ... 2227 2228 150 char Real-Time Linux FIFOs 2229 0 = /dev/rtf0 First RTLinux FIFO 2230 1 = /dev/rtf1 Second RTLinux FIFO 2231 ... 2232 2233 151 char DPT I2O SmartRaid V controller 2234 0 = /dev/dpti0 First DPT I2O adapter 2235 1 = /dev/dpti1 Second DPT I2O adapter 2236 ... 2237 2238 152 char EtherDrive Control Device 2239 0 = /dev/etherd/ctl Connect/Disconnect an EtherDrive 2240 1 = /dev/etherd/err Monitor errors 2241 2 = /dev/etherd/raw Raw AoE packet monitor 2242 2243 152 block EtherDrive Block Devices 2244 0 = /dev/etherd/0 EtherDrive 0 2245 ... 2246 255 = /dev/etherd/255 EtherDrive 255 2247 2248 153 char SPI Bus Interface (sometimes referred to as MicroWire) 2249 0 = /dev/spi0 First SPI device on the bus 2250 1 = /dev/spi1 Second SPI device on the bus 2251 ... 2252 15 = /dev/spi15 Sixteenth SPI device on the bus 2253 2254 153 block Enhanced Metadisk RAID (EMD) storage units 2255 0 = /dev/emd/0 First unit 2256 1 = /dev/emd/0p1 Partition 1 on First unit 2257 2 = /dev/emd/0p2 Partition 2 on First unit 2258 ... 2259 15 = /dev/emd/0p15 Partition 15 on First unit 2260 2261 16 = /dev/emd/1 Second unit 2262 32 = /dev/emd/2 Third unit 2263 ... 2264 240 = /dev/emd/15 Sixteenth unit 2265 2266 Partitions are handled in the same way as for IDE 2267 disks (see major number 3) except that the limit on 2268 partitions is 15. 2269 2270 154 char Specialix RIO serial card 2271 0 = /dev/ttySR0 First RIO port 2272 ... 2273 255 = /dev/ttySR255 256th RIO port 2274 2275 155 char Specialix RIO serial card - alternate devices 2276 0 = /dev/cusr0 Callout device for ttySR0 2277 ... 2278 255 = /dev/cusr255 Callout device for ttySR255 2279 2280 156 char Specialix RIO serial card 2281 0 = /dev/ttySR256 257th RIO port 2282 ... 2283 255 = /dev/ttySR511 512th RIO port 2284 2285 157 char Specialix RIO serial card - alternate devices 2286 0 = /dev/cusr256 Callout device for ttySR256 2287 ... 2288 255 = /dev/cusr511 Callout device for ttySR511 2289 2290 158 char Dialogic GammaLink fax driver 2291 0 = /dev/gfax0 GammaLink channel 0 2292 1 = /dev/gfax1 GammaLink channel 1 2293 ... 2294 2295 159 char RESERVED 2296 2297 159 block RESERVED 2298 2299 160 char General Purpose Instrument Bus (GPIB) 2300 0 = /dev/gpib0 First GPIB bus 2301 1 = /dev/gpib1 Second GPIB bus 2302 ... 2303 2304 160 block Carmel 8-port SATA Disks on First Controller 2305 0 = /dev/carmel/0 SATA disk 0 whole disk 2306 1 = /dev/carmel/0p1 SATA disk 0 partition 1 2307 ... 2308 31 = /dev/carmel/0p31 SATA disk 0 partition 31 2309 2310 32 = /dev/carmel/1 SATA disk 1 whole disk 2311 64 = /dev/carmel/2 SATA disk 2 whole disk 2312 ... 2313 224 = /dev/carmel/7 SATA disk 7 whole disk 2314 2315 Partitions are handled in the same way as for IDE 2316 disks (see major number 3) except that the limit on 2317 partitions is 31. 2318 2319 161 char IrCOMM devices (IrDA serial/parallel emulation) 2320 0 = /dev/ircomm0 First IrCOMM device 2321 1 = /dev/ircomm1 Second IrCOMM device 2322 ... 2323 16 = /dev/irlpt0 First IrLPT device 2324 17 = /dev/irlpt1 Second IrLPT device 2325 ... 2326 2327 161 block Carmel 8-port SATA Disks on Second Controller 2328 0 = /dev/carmel/8 SATA disk 8 whole disk 2329 1 = /dev/carmel/8p1 SATA disk 8 partition 1 2330 ... 2331 31 = /dev/carmel/8p31 SATA disk 8 partition 31 2332 2333 32 = /dev/carmel/9 SATA disk 9 whole disk 2334 64 = /dev/carmel/10 SATA disk 10 whole disk 2335 ... 2336 224 = /dev/carmel/15 SATA disk 15 whole disk 2337 2338 Partitions are handled in the same way as for IDE 2339 disks (see major number 3) except that the limit on 2340 partitions is 31. 2341 2342 162 char Used for (now removed) raw block device interface 2343 2344 163 char 2345 2346 164 char Chase Research AT/PCI-Fast serial card 2347 0 = /dev/ttyCH0 AT/PCI-Fast board 0, port 0 2348 ... 2349 15 = /dev/ttyCH15 AT/PCI-Fast board 0, port 15 2350 16 = /dev/ttyCH16 AT/PCI-Fast board 1, port 0 2351 ... 2352 31 = /dev/ttyCH31 AT/PCI-Fast board 1, port 15 2353 32 = /dev/ttyCH32 AT/PCI-Fast board 2, port 0 2354 ... 2355 47 = /dev/ttyCH47 AT/PCI-Fast board 2, port 15 2356 48 = /dev/ttyCH48 AT/PCI-Fast board 3, port 0 2357 ... 2358 63 = /dev/ttyCH63 AT/PCI-Fast board 3, port 15 2359 2360 165 char Chase Research AT/PCI-Fast serial card - alternate devices 2361 0 = /dev/cuch0 Callout device for ttyCH0 2362 ... 2363 63 = /dev/cuch63 Callout device for ttyCH63 2364 2365 166 char ACM USB modems 2366 0 = /dev/ttyACM0 First ACM modem 2367 1 = /dev/ttyACM1 Second ACM modem 2368 ... 2369 2370 167 char ACM USB modems - alternate devices 2371 0 = /dev/cuacm0 Callout device for ttyACM0 2372 1 = /dev/cuacm1 Callout device for ttyACM1 2373 ... 2374 2375 168 char Eracom CSA7000 PCI encryption adaptor 2376 0 = /dev/ecsa0 First CSA7000 2377 1 = /dev/ecsa1 Second CSA7000 2378 ... 2379 2380 169 char Eracom CSA8000 PCI encryption adaptor 2381 0 = /dev/ecsa8-0 First CSA8000 2382 1 = /dev/ecsa8-1 Second CSA8000 2383 ... 2384 2385 170 char AMI MegaRAC remote access controller 2386 0 = /dev/megarac0 First MegaRAC card 2387 1 = /dev/megarac1 Second MegaRAC card 2388 ... 2389 2390 171 char Reserved for IEEE 1394 (Firewire) 2391 2392 172 char Moxa Intellio serial card 2393 0 = /dev/ttyMX0 First Moxa port 2394 1 = /dev/ttyMX1 Second Moxa port 2395 ... 2396 127 = /dev/ttyMX127 128th Moxa port 2397 128 = /dev/moxactl Moxa control port 2398 2399 173 char Moxa Intellio serial card - alternate devices 2400 0 = /dev/cumx0 Callout device for ttyMX0 2401 1 = /dev/cumx1 Callout device for ttyMX1 2402 ... 2403 127 = /dev/cumx127 Callout device for ttyMX127 2404 2405 174 char SmartIO serial card 2406 0 = /dev/ttySI0 First SmartIO port 2407 1 = /dev/ttySI1 Second SmartIO port 2408 ... 2409 2410 175 char SmartIO serial card - alternate devices 2411 0 = /dev/cusi0 Callout device for ttySI0 2412 1 = /dev/cusi1 Callout device for ttySI1 2413 ... 2414 2415 176 char nCipher nFast PCI crypto accelerator 2416 0 = /dev/nfastpci0 First nFast PCI device 2417 1 = /dev/nfastpci1 First nFast PCI device 2418 ... 2419 2420 177 char TI PCILynx memory spaces 2421 0 = /dev/pcilynx/aux0 AUX space of first PCILynx card 2422 ... 2423 15 = /dev/pcilynx/aux15 AUX space of 16th PCILynx card 2424 16 = /dev/pcilynx/rom0 ROM space of first PCILynx card 2425 ... 2426 31 = /dev/pcilynx/rom15 ROM space of 16th PCILynx card 2427 32 = /dev/pcilynx/ram0 RAM space of first PCILynx card 2428 ... 2429 47 = /dev/pcilynx/ram15 RAM space of 16th PCILynx card 2430 2431 178 char Giganet cLAN1xxx virtual interface adapter 2432 0 = /dev/clanvi0 First cLAN adapter 2433 1 = /dev/clanvi1 Second cLAN adapter 2434 ... 2435 2436 179 block MMC block devices 2437 0 = /dev/mmcblk0 First SD/MMC card 2438 1 = /dev/mmcblk0p1 First partition on first MMC card 2439 8 = /dev/mmcblk1 Second SD/MMC card 2440 ... 2441 2442 The start of next SD/MMC card can be configured with 2443 CONFIG_MMC_BLOCK_MINORS, or overridden at boot/modprobe 2444 time using the mmcblk.perdev_minors option. That would 2445 bump the offset between each card to be the configured 2446 value instead of the default 8. 2447 2448 179 char CCube DVXChip-based PCI products 2449 0 = /dev/dvxirq0 First DVX device 2450 1 = /dev/dvxirq1 Second DVX device 2451 ... 2452 2453 180 char USB devices 2454 0 = /dev/usb/lp0 First USB printer 2455 ... 2456 15 = /dev/usb/lp15 16th USB printer 2457 48 = /dev/usb/scanner0 First USB scanner 2458 ... 2459 63 = /dev/usb/scanner15 16th USB scanner 2460 64 = /dev/usb/rio500 Diamond Rio 500 2461 65 = /dev/usb/usblcd USBLCD Interface (info@usblcd.de) 2462 66 = /dev/usb/cpad0 Synaptics cPad (mouse/LCD) 2463 96 = /dev/usb/hiddev0 1st USB HID device 2464 ... 2465 111 = /dev/usb/hiddev15 16th USB HID device 2466 112 = /dev/usb/auer0 1st auerswald ISDN device 2467 ... 2468 127 = /dev/usb/auer15 16th auerswald ISDN device 2469 128 = /dev/usb/brlvgr0 First Braille Voyager device 2470 ... 2471 131 = /dev/usb/brlvgr3 Fourth Braille Voyager device 2472 132 = /dev/usb/idmouse ID Mouse (fingerprint scanner) device 2473 133 = /dev/usb/sisusbvga1 First SiSUSB VGA device 2474 ... 2475 140 = /dev/usb/sisusbvga8 Eighth SISUSB VGA device 2476 144 = /dev/usb/lcd USB LCD device 2477 160 = /dev/usb/legousbtower0 1st USB Legotower device 2478 ... 2479 175 = /dev/usb/legousbtower15 16th USB Legotower device 2480 176 = /dev/usb/usbtmc1 First USB TMC device 2481 ... 2482 191 = /dev/usb/usbtmc16 16th USB TMC device 2483 192 = /dev/usb/yurex1 First USB Yurex device 2484 ... 2485 209 = /dev/usb/yurex16 16th USB Yurex device 2486 2487 180 block USB block devices 2488 0 = /dev/uba First USB block device 2489 8 = /dev/ubb Second USB block device 2490 16 = /dev/ubc Third USB block device 2491 ... 2492 2493 181 char Conrad Electronic parallel port radio clocks 2494 0 = /dev/pcfclock0 First Conrad radio clock 2495 1 = /dev/pcfclock1 Second Conrad radio clock 2496 ... 2497 2498 182 char Picture Elements THR2 binarizer 2499 0 = /dev/pethr0 First THR2 board 2500 1 = /dev/pethr1 Second THR2 board 2501 ... 2502 2503 183 char SST 5136-DN DeviceNet interface 2504 0 = /dev/ss5136dn0 First DeviceNet interface 2505 1 = /dev/ss5136dn1 Second DeviceNet interface 2506 ... 2507 2508 This device used to be assigned to major number 144. 2509 It had to be moved due to an unfortunate conflict. 2510 2511 184 char Picture Elements' video simulator/sender 2512 0 = /dev/pevss0 First sender board 2513 1 = /dev/pevss1 Second sender board 2514 ... 2515 2516 185 char InterMezzo high availability file system 2517 0 = /dev/intermezzo0 First cache manager 2518 1 = /dev/intermezzo1 Second cache manager 2519 ... 2520 2521 See http://web.archive.org/web/20080115195241/ 2522 http://inter-mezzo.org/index.html 2523 2524 186 char Object-based storage control device 2525 0 = /dev/obd0 First obd control device 2526 1 = /dev/obd1 Second obd control device 2527 ... 2528 2529 See ftp://ftp.lustre.org/pub/obd for code and information. 2530 2531 187 char DESkey hardware encryption device 2532 0 = /dev/deskey0 First DES key 2533 1 = /dev/deskey1 Second DES key 2534 ... 2535 2536 188 char USB serial converters 2537 0 = /dev/ttyUSB0 First USB serial converter 2538 1 = /dev/ttyUSB1 Second USB serial converter 2539 ... 2540 2541 189 char USB serial converters - alternate devices 2542 0 = /dev/cuusb0 Callout device for ttyUSB0 2543 1 = /dev/cuusb1 Callout device for ttyUSB1 2544 ... 2545 2546 190 char Kansas City tracker/tuner card 2547 0 = /dev/kctt0 First KCT/T card 2548 1 = /dev/kctt1 Second KCT/T card 2549 ... 2550 2551 191 char Reserved for PCMCIA 2552 2553 192 char Kernel profiling interface 2554 0 = /dev/profile Profiling control device 2555 1 = /dev/profile0 Profiling device for CPU 0 2556 2 = /dev/profile1 Profiling device for CPU 1 2557 ... 2558 2559 193 char Kernel event-tracing interface 2560 0 = /dev/trace Tracing control device 2561 1 = /dev/trace0 Tracing device for CPU 0 2562 2 = /dev/trace1 Tracing device for CPU 1 2563 ... 2564 2565 194 char linVideoStreams (LINVS) 2566 0 = /dev/mvideo/status0 Video compression status 2567 1 = /dev/mvideo/stream0 Video stream 2568 2 = /dev/mvideo/frame0 Single compressed frame 2569 3 = /dev/mvideo/rawframe0 Raw uncompressed frame 2570 4 = /dev/mvideo/codec0 Direct codec access 2571 5 = /dev/mvideo/video4linux0 Video4Linux compatibility 2572 2573 16 = /dev/mvideo/status1 Second device 2574 ... 2575 32 = /dev/mvideo/status2 Third device 2576 ... 2577 ... 2578 240 = /dev/mvideo/status15 16th device 2579 ... 2580 2581 195 char Nvidia graphics devices 2582 0 = /dev/nvidia0 First Nvidia card 2583 1 = /dev/nvidia1 Second Nvidia card 2584 ... 2585 255 = /dev/nvidiactl Nvidia card control device 2586 2587 196 char Tormenta T1 card 2588 0 = /dev/tor/0 Master control channel for all cards 2589 1 = /dev/tor/1 First DS0 2590 2 = /dev/tor/2 Second DS0 2591 ... 2592 48 = /dev/tor/48 48th DS0 2593 49 = /dev/tor/49 First pseudo-channel 2594 50 = /dev/tor/50 Second pseudo-channel 2595 ... 2596 2597 197 char OpenTNF tracing facility 2598 0 = /dev/tnf/t0 Trace 0 data extraction 2599 1 = /dev/tnf/t1 Trace 1 data extraction 2600 ... 2601 128 = /dev/tnf/status Tracing facility status 2602 130 = /dev/tnf/trace Tracing device 2603 2604 198 char Total Impact TPMP2 quad coprocessor PCI card 2605 0 = /dev/tpmp2/0 First card 2606 1 = /dev/tpmp2/1 Second card 2607 ... 2608 2609 199 char Veritas volume manager (VxVM) volumes 2610 0 = /dev/vx/rdsk/*/* First volume 2611 1 = /dev/vx/rdsk/*/* Second volume 2612 ... 2613 2614 199 block Veritas volume manager (VxVM) volumes 2615 0 = /dev/vx/dsk/*/* First volume 2616 1 = /dev/vx/dsk/*/* Second volume 2617 ... 2618 2619 The namespace in these directories is maintained by 2620 the user space VxVM software. 2621 2622 200 char Veritas VxVM configuration interface 2623 0 = /dev/vx/config Configuration access node 2624 1 = /dev/vx/trace Volume i/o trace access node 2625 2 = /dev/vx/iod Volume i/o daemon access node 2626 3 = /dev/vx/info Volume information access node 2627 4 = /dev/vx/task Volume tasks access node 2628 5 = /dev/vx/taskmon Volume tasks monitor daemon 2629 2630 201 char Veritas VxVM dynamic multipathing driver 2631 0 = /dev/vx/rdmp/* First multipath device 2632 1 = /dev/vx/rdmp/* Second multipath device 2633 ... 2634 201 block Veritas VxVM dynamic multipathing driver 2635 0 = /dev/vx/dmp/* First multipath device 2636 1 = /dev/vx/dmp/* Second multipath device 2637 ... 2638 2639 The namespace in these directories is maintained by 2640 the user space VxVM software. 2641 2642 202 char CPU model-specific registers 2643 0 = /dev/cpu/0/msr MSRs on CPU 0 2644 1 = /dev/cpu/1/msr MSRs on CPU 1 2645 ... 2646 2647 202 block Xen Virtual Block Device 2648 0 = /dev/xvda First Xen VBD whole disk 2649 16 = /dev/xvdb Second Xen VBD whole disk 2650 32 = /dev/xvdc Third Xen VBD whole disk 2651 ... 2652 240 = /dev/xvdp Sixteenth Xen VBD whole disk 2653 2654 Partitions are handled in the same way as for IDE 2655 disks (see major number 3) except that the limit on 2656 partitions is 15. 2657 2658 203 char CPU CPUID information 2659 0 = /dev/cpu/0/cpuid CPUID on CPU 0 2660 1 = /dev/cpu/1/cpuid CPUID on CPU 1 2661 ... 2662 2663 204 char Low-density serial ports 2664 0 = /dev/ttyLU0 LinkUp Systems L72xx UART - port 0 2665 1 = /dev/ttyLU1 LinkUp Systems L72xx UART - port 1 2666 2 = /dev/ttyLU2 LinkUp Systems L72xx UART - port 2 2667 3 = /dev/ttyLU3 LinkUp Systems L72xx UART - port 3 2668 4 = /dev/ttyFB0 Intel Footbridge (ARM) 2669 5 = /dev/ttySA0 StrongARM builtin serial port 0 2670 6 = /dev/ttySA1 StrongARM builtin serial port 1 2671 7 = /dev/ttySA2 StrongARM builtin serial port 2 2672 8 = /dev/ttySC0 SCI serial port (SuperH) - port 0 2673 9 = /dev/ttySC1 SCI serial port (SuperH) - port 1 2674 10 = /dev/ttySC2 SCI serial port (SuperH) - port 2 2675 11 = /dev/ttySC3 SCI serial port (SuperH) - port 3 2676 12 = /dev/ttyFW0 Firmware console - port 0 2677 13 = /dev/ttyFW1 Firmware console - port 1 2678 14 = /dev/ttyFW2 Firmware console - port 2 2679 15 = /dev/ttyFW3 Firmware console - port 3 2680 16 = /dev/ttyAM0 ARM "AMBA" serial port 0 2681 ... 2682 31 = /dev/ttyAM15 ARM "AMBA" serial port 15 2683 32 = /dev/ttyDB0 DataBooster serial port 0 2684 ... 2685 39 = /dev/ttyDB7 DataBooster serial port 7 2686 40 = /dev/ttySG0 SGI Altix console port 2687 41 = /dev/ttySMX0 Motorola i.MX - port 0 2688 42 = /dev/ttySMX1 Motorola i.MX - port 1 2689 43 = /dev/ttySMX2 Motorola i.MX - port 2 2690 44 = /dev/ttyMM0 Marvell MPSC - port 0 (obsolete unused) 2691 45 = /dev/ttyMM1 Marvell MPSC - port 1 (obsolete unused) 2692 46 = /dev/ttyCPM0 PPC CPM (SCC or SMC) - port 0 2693 ... 2694 51 = /dev/ttyCPM5 PPC CPM (SCC or SMC) - port 5 2695 82 = /dev/ttyVR0 NEC VR4100 series SIU 2696 83 = /dev/ttyVR1 NEC VR4100 series DSIU 2697 148 = /dev/ttyPSC0 PPC PSC - port 0 2698 ... 2699 153 = /dev/ttyPSC5 PPC PSC - port 5 2700 154 = /dev/ttyAT0 ATMEL serial port 0 2701 ... 2702 169 = /dev/ttyAT15 ATMEL serial port 15 2703 170 = /dev/ttyNX0 Hilscher netX serial port 0 2704 ... 2705 185 = /dev/ttyNX15 Hilscher netX serial port 15 2706 186 = /dev/ttyJ0 JTAG1 DCC protocol based serial port emulation 2707 2708 If maximum number of uartlite serial ports is more than 4, then the driver 2709 uses dynamic allocation instead of static allocation for major number. 2710 187 = /dev/ttyUL0 Xilinx uartlite - port 0 2711 ... 2712 190 = /dev/ttyUL3 Xilinx uartlite - port 3 2713 191 = /dev/xvc0 Xen virtual console - port 0 2714 192 = /dev/ttyPZ0 pmac_zilog - port 0 2715 ... 2716 195 = /dev/ttyPZ3 pmac_zilog - port 3 2717 196 = /dev/ttyTX0 TX39/49 serial port 0 2718 ... 2719 204 = /dev/ttyTX7 TX39/49 serial port 7 2720 205 = /dev/ttySC0 SC26xx serial port 0 2721 206 = /dev/ttySC1 SC26xx serial port 1 2722 207 = /dev/ttySC2 SC26xx serial port 2 2723 208 = /dev/ttySC3 SC26xx serial port 3 2724 209 = /dev/ttyMAX0 MAX3100 serial port 0 2725 210 = /dev/ttyMAX1 MAX3100 serial port 1 2726 211 = /dev/ttyMAX2 MAX3100 serial port 2 2727 212 = /dev/ttyMAX3 MAX3100 serial port 3 2728 2729 205 char Low-density serial ports (alternate device) 2730 0 = /dev/culu0 Callout device for ttyLU0 2731 1 = /dev/culu1 Callout device for ttyLU1 2732 2 = /dev/culu2 Callout device for ttyLU2 2733 3 = /dev/culu3 Callout device for ttyLU3 2734 4 = /dev/cufb0 Callout device for ttyFB0 2735 5 = /dev/cusa0 Callout device for ttySA0 2736 6 = /dev/cusa1 Callout device for ttySA1 2737 7 = /dev/cusa2 Callout device for ttySA2 2738 8 = /dev/cusc0 Callout device for ttySC0 2739 9 = /dev/cusc1 Callout device for ttySC1 2740 10 = /dev/cusc2 Callout device for ttySC2 2741 11 = /dev/cusc3 Callout device for ttySC3 2742 12 = /dev/cufw0 Callout device for ttyFW0 2743 13 = /dev/cufw1 Callout device for ttyFW1 2744 14 = /dev/cufw2 Callout device for ttyFW2 2745 15 = /dev/cufw3 Callout device for ttyFW3 2746 16 = /dev/cuam0 Callout device for ttyAM0 2747 ... 2748 31 = /dev/cuam15 Callout device for ttyAM15 2749 32 = /dev/cudb0 Callout device for ttyDB0 2750 ... 2751 39 = /dev/cudb7 Callout device for ttyDB7 2752 40 = /dev/cusg0 Callout device for ttySG0 2753 41 = /dev/ttycusmx0 Callout device for ttySMX0 2754 42 = /dev/ttycusmx1 Callout device for ttySMX1 2755 43 = /dev/ttycusmx2 Callout device for ttySMX2 2756 46 = /dev/cucpm0 Callout device for ttyCPM0 2757 ... 2758 51 = /dev/cucpm5 Callout device for ttyCPM5 2759 82 = /dev/cuvr0 Callout device for ttyVR0 2760 83 = /dev/cuvr1 Callout device for ttyVR1 2761 2762 206 char OnStream SC-x0 tape devices 2763 0 = /dev/osst0 First OnStream SCSI tape, mode 0 2764 1 = /dev/osst1 Second OnStream SCSI tape, mode 0 2765 ... 2766 32 = /dev/osst0l First OnStream SCSI tape, mode 1 2767 33 = /dev/osst1l Second OnStream SCSI tape, mode 1 2768 ... 2769 64 = /dev/osst0m First OnStream SCSI tape, mode 2 2770 65 = /dev/osst1m Second OnStream SCSI tape, mode 2 2771 ... 2772 96 = /dev/osst0a First OnStream SCSI tape, mode 3 2773 97 = /dev/osst1a Second OnStream SCSI tape, mode 3 2774 ... 2775 128 = /dev/nosst0 No rewind version of /dev/osst0 2776 129 = /dev/nosst1 No rewind version of /dev/osst1 2777 ... 2778 160 = /dev/nosst0l No rewind version of /dev/osst0l 2779 161 = /dev/nosst1l No rewind version of /dev/osst1l 2780 ... 2781 192 = /dev/nosst0m No rewind version of /dev/osst0m 2782 193 = /dev/nosst1m No rewind version of /dev/osst1m 2783 ... 2784 224 = /dev/nosst0a No rewind version of /dev/osst0a 2785 225 = /dev/nosst1a No rewind version of /dev/osst1a 2786 ... 2787 2788 The OnStream SC-x0 SCSI tapes do not support the 2789 standard SCSI SASD command set and therefore need 2790 their own driver "osst". Note that the IDE, USB (and 2791 maybe ParPort) versions may be driven via ide-scsi or 2792 usb-storage SCSI emulation and this osst device and 2793 driver as well. The ADR-x0 drives are QIC-157 2794 compliant and don't need osst. 2795 2796 207 char Compaq ProLiant health feature indicate 2797 0 = /dev/cpqhealth/cpqw Redirector interface 2798 1 = /dev/cpqhealth/crom EISA CROM 2799 2 = /dev/cpqhealth/cdt Data Table 2800 3 = /dev/cpqhealth/cevt Event Log 2801 4 = /dev/cpqhealth/casr Automatic Server Recovery 2802 5 = /dev/cpqhealth/cecc ECC Memory 2803 6 = /dev/cpqhealth/cmca Machine Check Architecture 2804 7 = /dev/cpqhealth/ccsm Deprecated CDT 2805 8 = /dev/cpqhealth/cnmi NMI Handling 2806 9 = /dev/cpqhealth/css Sideshow Management 2807 10 = /dev/cpqhealth/cram CMOS interface 2808 11 = /dev/cpqhealth/cpci PCI IRQ interface 2809 2810 208 char User space serial ports 2811 0 = /dev/ttyU0 First user space serial port 2812 1 = /dev/ttyU1 Second user space serial port 2813 ... 2814 2815 209 char User space serial ports (alternate devices) 2816 0 = /dev/cuu0 Callout device for ttyU0 2817 1 = /dev/cuu1 Callout device for ttyU1 2818 ... 2819 2820 210 char SBE, Inc. sync/async serial card 2821 0 = /dev/sbei/wxcfg0 Configuration device for board 0 2822 1 = /dev/sbei/dld0 Download device for board 0 2823 2 = /dev/sbei/wan00 WAN device, port 0, board 0 2824 3 = /dev/sbei/wan01 WAN device, port 1, board 0 2825 4 = /dev/sbei/wan02 WAN device, port 2, board 0 2826 5 = /dev/sbei/wan03 WAN device, port 3, board 0 2827 6 = /dev/sbei/wanc00 WAN clone device, port 0, board 0 2828 7 = /dev/sbei/wanc01 WAN clone device, port 1, board 0 2829 8 = /dev/sbei/wanc02 WAN clone device, port 2, board 0 2830 9 = /dev/sbei/wanc03 WAN clone device, port 3, board 0 2831 10 = /dev/sbei/wxcfg1 Configuration device for board 1 2832 11 = /dev/sbei/dld1 Download device for board 1 2833 12 = /dev/sbei/wan10 WAN device, port 0, board 1 2834 13 = /dev/sbei/wan11 WAN device, port 1, board 1 2835 14 = /dev/sbei/wan12 WAN device, port 2, board 1 2836 15 = /dev/sbei/wan13 WAN device, port 3, board 1 2837 16 = /dev/sbei/wanc10 WAN clone device, port 0, board 1 2838 17 = /dev/sbei/wanc11 WAN clone device, port 1, board 1 2839 18 = /dev/sbei/wanc12 WAN clone device, port 2, board 1 2840 19 = /dev/sbei/wanc13 WAN clone device, port 3, board 1 2841 ... 2842 2843 Yes, each board is really spaced 10 (decimal) apart. 2844 2845 211 char Addinum CPCI1500 digital I/O card 2846 0 = /dev/addinum/cpci1500/0 First CPCI1500 card 2847 1 = /dev/addinum/cpci1500/1 Second CPCI1500 card 2848 ... 2849 2850 212 char LinuxTV.org DVB driver subsystem 2851 0 = /dev/dvb/adapter0/video0 first video decoder of first card 2852 1 = /dev/dvb/adapter0/audio0 first audio decoder of first card 2853 2 = /dev/dvb/adapter0/sec0 (obsolete/unused) 2854 3 = /dev/dvb/adapter0/frontend0 first frontend device of first card 2855 4 = /dev/dvb/adapter0/demux0 first demux device of first card 2856 5 = /dev/dvb/adapter0/dvr0 first digital video recoder device of first card 2857 6 = /dev/dvb/adapter0/ca0 first common access port of first card 2858 7 = /dev/dvb/adapter0/net0 first network device of first card 2859 8 = /dev/dvb/adapter0/osd0 first on-screen-display device of first card 2860 9 = /dev/dvb/adapter0/video1 second video decoder of first card 2861 ... 2862 64 = /dev/dvb/adapter1/video0 first video decoder of second card 2863 ... 2864 128 = /dev/dvb/adapter2/video0 first video decoder of third card 2865 ... 2866 196 = /dev/dvb/adapter3/video0 first video decoder of fourth card 2867 2868 216 char Bluetooth RFCOMM TTY devices 2869 0 = /dev/rfcomm0 First Bluetooth RFCOMM TTY device 2870 1 = /dev/rfcomm1 Second Bluetooth RFCOMM TTY device 2871 ... 2872 2873 217 char Bluetooth RFCOMM TTY devices (alternate devices) 2874 0 = /dev/curf0 Callout device for rfcomm0 2875 1 = /dev/curf1 Callout device for rfcomm1 2876 ... 2877 2878 218 char The Logical Company bus Unibus/Qbus adapters 2879 0 = /dev/logicalco/bci/0 First bus adapter 2880 1 = /dev/logicalco/bci/1 First bus adapter 2881 ... 2882 2883 219 char The Logical Company DCI-1300 digital I/O card 2884 0 = /dev/logicalco/dci1300/0 First DCI-1300 card 2885 1 = /dev/logicalco/dci1300/1 Second DCI-1300 card 2886 ... 2887 2888 220 char Myricom Myrinet "GM" board 2889 0 = /dev/myricom/gm0 First Myrinet GM board 2890 1 = /dev/myricom/gmp0 First board "root access" 2891 2 = /dev/myricom/gm1 Second Myrinet GM board 2892 3 = /dev/myricom/gmp1 Second board "root access" 2893 ... 2894 2895 221 char VME bus 2896 0 = /dev/bus/vme/m0 First master image 2897 1 = /dev/bus/vme/m1 Second master image 2898 2 = /dev/bus/vme/m2 Third master image 2899 3 = /dev/bus/vme/m3 Fourth master image 2900 4 = /dev/bus/vme/s0 First slave image 2901 5 = /dev/bus/vme/s1 Second slave image 2902 6 = /dev/bus/vme/s2 Third slave image 2903 7 = /dev/bus/vme/s3 Fourth slave image 2904 8 = /dev/bus/vme/ctl Control 2905 2906 It is expected that all VME bus drivers will use the 2907 same interface. For interface documentation see 2908 http://www.vmelinux.org/. 2909 2910 224 char A2232 serial card 2911 0 = /dev/ttyY0 First A2232 port 2912 1 = /dev/ttyY1 Second A2232 port 2913 ... 2914 2915 225 char A2232 serial card (alternate devices) 2916 0 = /dev/cuy0 Callout device for ttyY0 2917 1 = /dev/cuy1 Callout device for ttyY1 2918 ... 2919 2920 226 char Direct Rendering Infrastructure (DRI) 2921 0 = /dev/dri/card0 First graphics card 2922 1 = /dev/dri/card1 Second graphics card 2923 ... 2924 2925 227 char IBM 3270 terminal Unix tty access 2926 1 = /dev/3270/tty1 First 3270 terminal 2927 2 = /dev/3270/tty2 Seconds 3270 terminal 2928 ... 2929 2930 228 char IBM 3270 terminal block-mode access 2931 0 = /dev/3270/tub Controlling interface 2932 1 = /dev/3270/tub1 First 3270 terminal 2933 2 = /dev/3270/tub2 Second 3270 terminal 2934 ... 2935 2936 229 char IBM iSeries/pSeries virtual console 2937 0 = /dev/hvc0 First console port 2938 1 = /dev/hvc1 Second console port 2939 ... 2940 2941 230 char IBM iSeries virtual tape 2942 0 = /dev/iseries/vt0 First virtual tape, mode 0 2943 1 = /dev/iseries/vt1 Second virtual tape, mode 0 2944 ... 2945 32 = /dev/iseries/vt0l First virtual tape, mode 1 2946 33 = /dev/iseries/vt1l Second virtual tape, mode 1 2947 ... 2948 64 = /dev/iseries/vt0m First virtual tape, mode 2 2949 65 = /dev/iseries/vt1m Second virtual tape, mode 2 2950 ... 2951 96 = /dev/iseries/vt0a First virtual tape, mode 3 2952 97 = /dev/iseries/vt1a Second virtual tape, mode 3 2953 ... 2954 128 = /dev/iseries/nvt0 First virtual tape, mode 0, no rewind 2955 129 = /dev/iseries/nvt1 Second virtual tape, mode 0, no rewind 2956 ... 2957 160 = /dev/iseries/nvt0l First virtual tape, mode 1, no rewind 2958 161 = /dev/iseries/nvt1l Second virtual tape, mode 1, no rewind 2959 ... 2960 192 = /dev/iseries/nvt0m First virtual tape, mode 2, no rewind 2961 193 = /dev/iseries/nvt1m Second virtual tape, mode 2, no rewind 2962 ... 2963 224 = /dev/iseries/nvt0a First virtual tape, mode 3, no rewind 2964 225 = /dev/iseries/nvt1a Second virtual tape, mode 3, no rewind 2965 ... 2966 2967 "No rewind" refers to the omission of the default 2968 automatic rewind on device close. The MTREW or MTOFFL 2969 ioctl()'s can be used to rewind the tape regardless of 2970 the device used to access it. 2971 2972 231 char InfiniBand 2973 0 = /dev/infiniband/umad0 2974 1 = /dev/infiniband/umad1 2975 ... 2976 63 = /dev/infiniband/umad63 63rd InfiniBandMad device 2977 64 = /dev/infiniband/issm0 First InfiniBand IsSM device 2978 65 = /dev/infiniband/issm1 Second InfiniBand IsSM device 2979 ... 2980 127 = /dev/infiniband/issm63 63rd InfiniBand IsSM device 2981 192 = /dev/infiniband/uverbs0 First InfiniBand verbs device 2982 193 = /dev/infiniband/uverbs1 Second InfiniBand verbs device 2983 ... 2984 223 = /dev/infiniband/uverbs31 31st InfiniBand verbs device 2985 2986 232 char Biometric Devices 2987 0 = /dev/biometric/sensor0/fingerprint first fingerprint sensor on first device 2988 1 = /dev/biometric/sensor0/iris first iris sensor on first device 2989 2 = /dev/biometric/sensor0/retina first retina sensor on first device 2990 3 = /dev/biometric/sensor0/voiceprint first voiceprint sensor on first device 2991 4 = /dev/biometric/sensor0/facial first facial sensor on first device 2992 5 = /dev/biometric/sensor0/hand first hand sensor on first device 2993 ... 2994 10 = /dev/biometric/sensor1/fingerprint first fingerprint sensor on second device 2995 ... 2996 20 = /dev/biometric/sensor2/fingerprint first fingerprint sensor on third device 2997 ... 2998 2999 233 char PathScale InfiniPath interconnect 3000 0 = /dev/ipath Primary device for programs (any unit) 3001 1 = /dev/ipath0 Access specifically to unit 0 3002 2 = /dev/ipath1 Access specifically to unit 1 3003 ... 3004 4 = /dev/ipath3 Access specifically to unit 3 3005 129 = /dev/ipath_sma Device used by Subnet Management Agent 3006 130 = /dev/ipath_diag Device used by diagnostics programs 3007 3008 234-254 char RESERVED FOR DYNAMIC ASSIGNMENT 3009 Character devices that request a dynamic allocation of major number will 3010 take numbers starting from 254 and downward. 3011 3012 240-254 block LOCAL/EXPERIMENTAL USE 3013 Allocated for local/experimental use. For devices not 3014 assigned official numbers, these ranges should be 3015 used in order to avoid conflicting with future assignments. 3016 3017 255 char RESERVED 3018 3019 255 block RESERVED 3020 3021 This major is reserved to assist the expansion to a 3022 larger number space. No device nodes with this major 3023 should ever be created on the filesystem. 3024 (This is probably not true anymore, but I'll leave it 3025 for now /Torben) 3026 3027 ---LARGE MAJORS!!!!!--- 3028 3029 256 char Equinox SST multi-port serial boards 3030 0 = /dev/ttyEQ0 First serial port on first Equinox SST board 3031 127 = /dev/ttyEQ127 Last serial port on first Equinox SST board 3032 128 = /dev/ttyEQ128 First serial port on second Equinox SST board 3033 ... 3034 1027 = /dev/ttyEQ1027 Last serial port on eighth Equinox SST board 3035 3036 256 block Resident Flash Disk Flash Translation Layer 3037 0 = /dev/rfda First RFD FTL layer 3038 16 = /dev/rfdb Second RFD FTL layer 3039 ... 3040 240 = /dev/rfdp 16th RFD FTL layer 3041 3042 257 char Phoenix Technologies Cryptographic Services Driver 3043 0 = /dev/ptlsec Crypto Services Driver 3044 3045 257 block SSFDC Flash Translation Layer filesystem 3046 0 = /dev/ssfdca First SSFDC layer 3047 8 = /dev/ssfdcb Second SSFDC layer 3048 16 = /dev/ssfdcc Third SSFDC layer 3049 24 = /dev/ssfdcd 4th SSFDC layer 3050 32 = /dev/ssfdce 5th SSFDC layer 3051 40 = /dev/ssfdcf 6th SSFDC layer 3052 48 = /dev/ssfdcg 7th SSFDC layer 3053 56 = /dev/ssfdch 8th SSFDC layer 3054 3055 258 block ROM/Flash read-only translation layer 3056 0 = /dev/blockrom0 First ROM card's translation layer interface 3057 1 = /dev/blockrom1 Second ROM card's translation layer interface 3058 ... 3059 3060 259 block Block Extended Major 3061 Used dynamically to hold additional partition minor 3062 numbers and allow large numbers of partitions per device 3063 3064 259 char FPGA configuration interfaces 3065 0 = /dev/icap0 First Xilinx internal configuration 3066 1 = /dev/icap1 Second Xilinx internal configuration 3067 3068 260 char OSD (Object-based-device) SCSI Device 3069 0 = /dev/osd0 First OSD Device 3070 1 = /dev/osd1 Second OSD Device 3071 ... 3072 255 = /dev/osd255 256th OSD Device 3073 3074 261 char Compute Acceleration Devices 3075 0 = /dev/accel/accel0 First acceleration device 3076 1 = /dev/accel/accel1 Second acceleration device 3077 ... 3078 3079 384-511 char RESERVED FOR DYNAMIC ASSIGNMENT 3080 Character devices that request a dynamic allocation of major 3081 number will take numbers starting from 511 and downward, 3082 once the 234-254 range is full.
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