[lm-sensors] lm-sensors in AMOS 3000 Via embedded computer

Juerg Haefliger juergh at gmail.com
Mon Oct 26 16:10:30 CET 2009

> I have an AMOS 3000 embedded PC, based on a EPIA P700 board. I am
> testing a unit with AMOS 3000 - EPIA P700 - C7 1 Ghz, to know how much
> can I get from it.
> I installed Ubuntu 9.04, kernel 2.6.28 (also 2.6.31) successfully but
> I found some issues. The PC gets really hot at full load and it halted
> by overtemperature during the installation of additional software. This
> motherboard, EPIA P700 has a C7 processor with fanless heat sink, VX700
> chipset, ADM1032 and SUPER I/O VT1212 Lite, but lm-sensors 3.1.1 doesn’
> t detect any sensor, only c7temp driver is demanded. I patched my
> kernel and I tried to compile the c7temp module but it gives a
> meaningless reading, 1 Volt 0 Celsius (I dislike this driver, so I
> prefer to get working ADM1032 one). I don’t know if it supports
> hardware monitoring. I only am able to find two devices in the SMBUS
> (SDRAM and clock) without any clues about where is the ADM1032 chip.

You can try the via-cputemp driver:

> This board is based on a VX700 chipset, and a VT1212 Super I/O chip,
> and I have read in the P700 datasheet and operating manual that it is
> in charge of hardware monitoring in this board.
> Which is the best way to get lm-sensors woking in this motherboard,
> ADM1032 or VT1212?  Anyone has any clue?

VT1212 does not contain any hardware monitoring capabilities. It must
be the ADM1032 then.

> I think that these devices are hidden (BIOS manufacturer
> configuration), anybody knows how to unhide the SMBUS devices?

Don't know how to do that for a VX700 chip.


> Thank you in advance and regards,
> Antonio
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