cpu overheating

[Mike Chalmers]

On 12/11/06, Edward Dekkers <edward at tdcs.com.au> wrote:
>
> > Linux may make your CPU work hard, but it shouldn't cause it to overheat
> > if the hardware is otherwise OK.  See the other posts in this thread.
>
> And there is the key.
>
> Even if you were to run your processor 100% usage 24/7. If the hardware
> is properly cooled, you will never overheat. The answer is never going
> to be "Let's stop the CPU reaching 100% usage, because that will CAUSE
> overheating". Overheating is caused by poor thermal solutions.
>
> Software is not responsible for poor thermal solutions.
>
> Things I have discovered:
>
> 1> A dust caked heatsink on a Northwood or Prescott CPU can make the
> temperature jump from a stressed 55 Celsius to as much as 76 Celsius
> when stressed, causing the BIOS to kick in and prevent overheating (the
> result being different for different motherboards).
>
> 2> Simply adding cheap case fans does bring the temperature down a
> little, adds a lot more noise, but most importantly DOES NOT prevent CPU
> overheating. No matter how good the air circulating around the
> fan/heatsink, an improperly functioning fan/heatsink (i.e. covered with
> dust), will simply have to be dusted or replaced.
>
> 3> Zalman! I've played with Thermaltake, Coolermaster and Zalman CPU
> fan/heatsinks and it always seems to me the Zalman's are not only the
> coolest, but the quietest as well. For point 1 above, where I was
> getting 55 Celsius stressed temperature for a new CPU and 76 Celsius
> after a year or so in the dust, no matter how much I stress that machine
> now, I cannot get the CPU temp above 43 Celsius, after fitting an $AU80
> Zalman. Expensive I know, but the results are SO worth it.
>
> My experience in a nutshell after 9 years of business - take it or leave it.
>
> Regards,
> Ed.
>
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Thanks.