Sam Drinkard sam at wa4phy.net
Mon Oct 10 16:18:45 UTC 2005

Hee, hee, hee.. that sounds like a real undertaking to me :-) I guess 
with the hardware monitoring and protection the board itself provides 
(throttling cpu speeds) and such, I really shouldn't worry too much 
about temps. The reason I sent the Tyan board back was due to some 
overvoltage problems of cpu core voltage, and didn't want to wipe out a 
pair of Xeon cpu's. That is one area I really would like to monitor, but 
seeing what it shows now of 4.08 volts does not leave me much faith in 
things. Its just too much of a job to try to swag all the components on 
the mobo, as chip caps and resistors don't lend themselves to scrutiny 
by old eyes, even with a magnifier! Perhaps one day someone will get 
things figured out, but until then, I can take the readings with a grain 
of salt and watch for drastic changes from the initial.. that would be 
more useful probably in the long run

Thanks MaZe

Maciej Żenczykowski wrote:

> The problem is that sometimes the same chips are used but different 
> valued parts (resistors, etc.) are attached to the motherboard. So 
> only the motherboard manufacturer has any real idea about the proper 
> way to scale the value you can read from the chip to a concrete 
> temperature or voltage. In many cases the default lm_sensors values 
> work OK, but for some oddball motherboards with non-standard values 
> (even though using standard chips!) there's nothing you can really do. 
> You can either experiment or try to take a close look at the 
> motherboard and figure out what actual elements are used (if that is 
> even visible) - not the chips but the tiny extra elements like 
> resistors and/or condensators...
> Of course you could also theoretically reverse engineer the windows 
> drivers...
> Cheers,
> MaZe.
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