[ltp] Kick up the Fan.

[Ben Jencks]

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honey@gneek.com writes:

> If I do really intensive compilations on my T40, ibm-acpi reports
> that the CPU temperature can get to nearly 90C - I'm unsure if the
> sensors are right of course (it doesn't feel THAT hot, but I don't
> have a finger on the motherboard), but the machine promptly shuts
> down, meaning the fan just didn't kick in *enough*?  It sits around
> 3500 (rpm?) according to ibm-acpi/gkrellm in normal use, but I guess
> when it accelerates it still can't cool the CPU quick enough?
>
> I know others have reported this here - or does everyone else find
> that with up to date kernels (2.6.12+) and latest ACPI patches, their
> T series thinkpads *never* shutdown due to overheating?  If it's only
> me, I'm going to start worrying about fan failure, or dust blockage.
> What are the highest CPU temperatures and fan speeds other T* users
> see, and do your machines ever shut down from overheating?

The only time I've had my T43p overheat enough to shut down was when it
was sitting on a carpet, running at full speed (2.13 ghz), and using the
processor heavily. With proper ventilation, temp stays at 87-89 when
compiling at full speed. The fan speed seems to go up when it hits 89,
then stay up until it gets down to something lower (haven't noticed the
number, it's less than 86). Idling at full speed gives me about 67
degrees, compared to 55 scaled all the way down.
- -- 
Ben
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