1 ============== 2 What is tgafb? 3 ============== 4 5 This is a driver for DECChip 21030 based graph 6 cards, which are usually found in older Digita 7 following models are supported: 8 9 - ZLxP-E1 (8bpp, 2 MB VRAM) 10 - ZLxP-E2 (32bpp, 8 MB VRAM) 11 - ZLxP-E3 (32bpp, 16 MB VRAM, Zbuffer) 12 13 This version is an almost complete rewrite of 14 Uytterhoeven, which was based on the original 15 Jay Estabrook. 16 17 Major new features since Linux 2.0.x: 18 19 * Support for multiple resolutions 20 * Support for fixed-frequency and other oddba 21 (by allowing the video mode to be set at bo 22 23 User-visible changes since Linux 2.2.x: 24 25 * Sync-on-green is now handled properly 26 * More useful information is printed on bootu 27 (this helps if people run into problems) 28 29 This driver does not (yet) support the TGA2 fa 30 PowerStorm 3D30/4D20 (also known as PBXGB) car 31 can however be used with the standard VGA Text 32 33 34 Configuration 35 ============= 36 37 You can pass kernel command line options to tg 38 `video=tgafb:option1,option2:value2,option3` ( 39 separated by comma, values are separated from 40 41 Accepted options: 42 43 ========== ================================== 44 font:X default font to use. All fonts are 45 SUN12x22 font which is very nice a 46 47 mode:X default video mode. The following 48 640x480-60, 800x600-56, 640x480-72 49 1024x768-60, 1152x864-60, 1024x768 50 1152x864-70, 1280x1024-61, 1024x76 51 1152x864-84, 1280x1024-76, 1280x10 52 ========== ================================== 53 54 55 Known Issues 56 ============ 57 58 The XFree86 FBDev server has been reported not 59 mmap(). Running the standard XF86_TGA server f 60 me, however this server does not do accelerati 61 quite slow. Support for acceleration is being 62 XFree86 4.x. 63 64 When running tgafb in resolutions higher than 65 tgafb to XF86_TGA 3.3.x, the entire screen is 66 refreshed. This is an X server problem, not a 67 XFree86 4.0. 68 69 Enjoy! 70 71 Martin Lucina <mato@kotelna.sk>
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