cpu overheating

[Les]

On Tue, 2006-12-12 at 10:43 +0900, Edward Dekkers 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.
> 
Good enough to save... Do you think you'll get a commission from
Zalman? ;-)

Regards,
Les H