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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Desktops > Odd Fan Speeds

Odd Fan Speeds
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oni
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Join Date: Oct 2002
Location: Palmy North, New Zealand
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Nov 4, 2006, 06:06 PM
 
Hi, I have a dual 1.8GHz G5 power mac and have been noticing that CPU B's fans seem to run significantly higher than CPU A. It seems that the cpu a fans run at about 300-500rpm while b is running at close to 3000 for a lot of the time.

Using hardware monitor it has these results for the last 7 days looking at extreme values

CPU A intake fan: 300-815
CPU A exhaust fan: 300-841
CPU B intake fan: 711-3090
CPU B exhaust fan: 734-3186

This seems a little odd to me, anyone else have this problem?
     
   
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