1 Kernel driver i2c-nforce2
4 * nForce2 MCP 10de:0064
5 * nForce2 Ultra 400 MCP 10de:0084
6 * nForce3 Pro150 MCP 10de:00D4
7 * nForce3 250Gb MCP 10de:00E4
8 * nForce4 MCP 10de:0052
9 * nForce4 MCP-04 10de:0034
10 * nForce4 MCP51 10de:0264
11 * nForce4 MCP55 10de:0368
13 Datasheet: not publicly available, but seems to be similar to the
14 AMD-8111 SMBus 2.0 adapter.
17 Hans-Frieder Vogt <hfvogt@gmx.net>,
18 Thomas Leibold <thomas@plx.com>,
19 Patrick Dreker <patrick@dreker.de>
24 i2c-nforce2 is a driver for the SMBuses included in the nVidia nForce2 MCP.
26 If your 'lspci -v' listing shows something like the following,
28 00:01.1 SMBus: nVidia Corporation: Unknown device 0064 (rev a2)
29 Subsystem: Asustek Computer, Inc.: Unknown device 0c11
30 Flags: 66Mhz, fast devsel, IRQ 5
31 I/O ports at c000 [size=32]
32 Capabilities: <available only to root>
34 then this driver should support the SMBuses of your motherboard.
40 The SMBus adapter in the nForce2 chipset seems to be very similar to the
41 SMBus 2.0 adapter in the AMD-8111 south bridge. However, I could only get
42 the driver to work with direct I/O access, which is different to the EC
43 interface of the AMD-8111. Tested on Asus A7N8X. The ACPI DSDT table of the
44 Asus A7N8X lists two SMBuses, both of which are supported by this driver.