Re: Strange entries in /proc/acpi/thermal_zone for Thinkpad X60

Tomasz Torcz
2006-10-13T18:10:50Z

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On Thu, Oct 12, 2006 at 09:28:12PM -0700, Jeremy Fitzhardinge wrote:
> Robert Hancock wrote:
> >I would expect they wouldn't, otherwise there would be no reason for
> >the BIOS people to set up two thermal zones..
>
> Ah, OK. I misunderstood what thermal zones are.
>
> >How do you know they are one for each core? ACPI thermal zones can be
> >anywhere in the machine that needs OS-controlled cooling. Could be the
> >CPU heatsink, voltage regulator, or someplace else.
>
> Right, bad assumption on my part. Is there any way to find out what
> they might correspond to? /proc/acpi/ibm/thermal has a bunch of
> temperature-like numbers in them; I guess there should be some
> correlation between those and the thermal zones.

There are many temperature sensors in Thinkpads. There's even map of
them somewhere on http://www.thinkwiki.org.

--
Tomasz Torcz "Funeral in the morning, IDE hacking
zdzichu@irc.-nie.spam-.pl in the afternoon and evening." - Alan Cox

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