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lm-sensors/doc/busses/i2c-via
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2003-02-17 02:56:46 +00:00

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Kernel driver `i2c-via.o'
Status: Complete and well-tested
Supported adapters:
* VIA Technologies, InC. VT82C586B
Datasheet: Publicly available at the VIA website
Author: Kyösti Mälkki <kmalkki@cc.hut.fi>
Module Parameters
-----------------
(none)
Description
-----------
i2c-via is an i2c bus driver for motherboards with VIA chipset.
The following VIA pci chipsets are supported:
- MVP3, VP3, VP2/97, VPX/97
- others with South bridge VT82C586B
Your /proc/pci or lspci listing must show this :
Bridge: VIA Technologies, Inc. VT82C586B ACPI (rev 10)
To install this driver, simply do
# modprobe i2c-via
This driver uses the i2c-algo-bit module which must be
modprobed and/or enabled in your kernel
(Character Devices -> I2C Support -> I2C Bit-Banging Interfaces).
Problems?
Q: You have VT82C586B on the motherboard, but not in the listing.
A: Go to your BIOS setup, section PCI devices or similar.
Turn USB support on, and try again.
Q: No error messages, but still i2c doesn't seem to work.
A: This can happen. This driver uses the pins VIA recommends in their
datasheets, but there are several ways the motherboard manufacturer
can actually wire the lines.