On Apr 11, 2012, at 6:25 AM, Cameron Kaiser wrote:
Wouldn't it make sense for CPU A to be hotter than CPU B? I don't
know
much about hardware, but if Mac OS X (or any PowerPC OS acutally)
uses
threading, isn't it possible that frequently used threads are
allocated to CPU A?
Or, maybe more sensible, CPU A just happens to get most threads?
CPU A is indeed normally hotter than CPU B. The typical differential
is
around 10 degrees Centigrade, at least on the units I've seen, but not
significantly higher than that.
My Dual 2.7 with either the Delphi or Panasonic LCS at idle is about
155 F equally between A and B. However they will vary 30 F between
CPU's and top temps at 185 to 200 when loaded.
John Carmonne
Placentia CA 92870
From iMac Core Duo 2.0
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