Hi David,
On 2006-02-28, David Wu wrote:
> I am hoping someone can help me to either get the lm_sensors running
> or at least give me a explanation as why I can't find any sensor chip
> on the ASUS K8V-MX motherboard with VIA VT8237R chip. I have included
> the necessary information below. I have the AMD socket 754 AMD Sempron
> 2500+ running at 1.4GHz.
According to the Asus documentation for this board, it does indeed have
hardware monitoring features, so it's really only a matter of finding
the right chip, driver and configuration.
Note that the VT8237R chip is not a hardware monitoring chip by itself,
although it may be used to access such chips (if they use an I2C/SMBus
interface.)
> Next adapter: SMBus Via Pro adapter at 0400
> Do you want to scan it? (YES/no/selectively): YES
> Client found at address 0x50
> Probing for `SPD EEPROM'... Success!
> (confidence 8, driver `eeprom')
> Probing for `DDC monitor'... Failed!
> Probing for `Maxim MAX6900'... Failed!
> Client found at address 0x69
No hardware monitoring chip on the SMBus (or it is hidden, happens with
Asus boards sometimes).
> Probing for `Winbond W83627EHF Super IO Sensors'
> Success... found at address 0x0290
This is most probably your hardware monitoring chip.
> # no driver for Winbond W83627EHF Super IO Sensors yet
You must use an old version of the sensors-detect script, as a driver now
exists (unsurprisingly named w83627ehf.)
If you have a 2.6.13 or better kernel, you probably have that driver
already, so just load it ("modprobe w83627ehf" as root) and it should
work. You will most certainly need to upgrade lm_sensors (to 2.9.1 or
better) for the "sensors" command to work though, as your version
seems to predate the writing of the driver and associated user-space
support.
> So it appears that it detect the SMBus controller, the VIA 8237R, fine
> and loaded the proper i2c adapter bus driver. But there is no sensor
> chip found!??? No even the AMD CPU sensor??!!!
It did find the chip, but just didn't know what driver to load. Now you
know.
As an adidtional note, what you call "AMD CPU sensor" is really only a
sensor (most likely a thermal diode), not a hardware monitoring chip. As
such, it is useless until it is wired to a hardware monitoring chip,
such as the W83627EHF you have on your motherboard.
--
Jean Delvare
