cpu overheating

[Mike Chalmers]

On 12/11/06, Tim <ignored_mailbox at yahoo.com.au> wrote:
> On Mon, 2006-12-11 at 21:58 -0500, Mike Chalmers wrote:
> > In Linux I had the terminal open while I was browsing and my computer
> > beeped. I wondered what had happened so I looked at the terminal to
> > see if there was anything going on. And it said something like CPU 0
> > temperature high (or something like that) CPU 1 temperature high.
>
> What is it that tells you that information?  I wonder if it's the
> infamous lm_sensors, with its uncalibrated (*) sensor readings.  On one
> of my systems I have some things with negative temparatures, and others
> well over boiling point.  They're wrong, of course.
>
> * It's not really its fault, there isn't any reliable way to calibrate
> the readings.  You'd have to get voltage probes out and work out that
> when some rail reading says 4.6 for the sensor, but it's actually 5.1,
> that a conversion needs to be done on the figures.  Likewise with
> temperatures and other readings.
>
> My advice would be to turn off lm_sensors, and turn on temperature
> warnings in your BIOS.  At least the manufacturer ought to know how to
> read the sensors in the board that they built.  I've got at least a
> couple of boxes set up that way, a beeps if it gets too warm, and will
> shut down if it gets too hot.  They also protect themselves even if the
> OS has crashed.
>
> --
> (Currently testing FC5, but still running FC4, if that's important.)
>
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> I read messages from the public lists.
>
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I have a Intel D875PBZ, I have looked through the BIOS but have never
thought to look for temperature warnings. I will have to check on
that. Thanks.