1 ========================= 2 Kernel driver i2c-nforce2 3 ========================= 4 5 Supported adapters: 6 * nForce2 MCP 10de:0064 7 * nForce2 Ultra 400 MCP 10de:0084 8 * nForce3 Pro150 MCP 10de:00D4 9 * nForce3 250Gb MCP 10de:00E4 10 * nForce4 MCP 10de:0052 11 * nForce4 MCP-04 10de:0034 12 * nForce MCP51 10de:0264 13 * nForce MCP55 10de:0368 14 * nForce MCP61 10de:03EB 15 * nForce MCP65 10de:0446 16 * nForce MCP67 10de:0542 17 * nForce MCP73 10de:07D8 18 * nForce MCP78S 10de:0752 19 * nForce MCP79 10de:0AA2 20 21 Datasheet: 22 not publicly available, but seems to be similar to the 23 AMD-8111 SMBus 2.0 adapter. 24 25 Authors: 26 - Hans-Frieder Vogt <hfvogt@gmx.net>, 27 - Thomas Leibold <thomas@plx.com>, 28 - Patrick Dreker <patrick@dreker.de> 29 30 Description 31 ----------- 32 33 i2c-nforce2 is a driver for the SMBuses included in the nVidia nForce2 MCP. 34 35 If your ``lspci -v`` listing shows something like the following:: 36 37 00:01.1 SMBus: nVidia Corporation: Unknown device 0064 (rev a2) 38 Subsystem: Asustek Computer, Inc.: Unknown device 0c11 39 Flags: 66Mhz, fast devsel, IRQ 5 40 I/O ports at c000 [size=32] 41 Capabilities: <available only to root> 42 43 then this driver should support the SMBuses of your motherboard. 44 45 46 Notes 47 ----- 48 49 The SMBus adapter in the nForce2 chipset seems to be very similar to the 50 SMBus 2.0 adapter in the AMD-8111 south bridge. However, I could only get 51 the driver to work with direct I/O access, which is different to the EC 52 interface of the AMD-8111. Tested on Asus A7N8X. The ACPI DSDT table of the 53 Asus A7N8X lists two SMBuses, both of which are supported by this driver.
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