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Originally Posted by BillA
please read 4.2.7 of that Intel doc for comprehension
the IHS temp has no 'fixed' relationship with the 2 different die temps from the diodes in the CPU due to the variations from its operation
now if Intel cannot / will not define either of those temps as THE DIE TEMP (which would have a very real relationship to the IHS temp), who are you ? (or pH, or Stew, etc.)
-> in the pursuit of every last mhz, did Stew use a die sim ? what die temp was used ?
you guys need your heads examined
no die temp is needed to design a cooling solution, the IHS is fine
the real problem remains that of the applied power when using a CPU as the heat source
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hmm - i think you may be misunderstanding the issue people have with using the IHS temp (or maybe i am....)
aiui the issue is not that a better source is (or more accurately isn't) available on an intel CPU - but that:
a) the purpose of cooling is to cool the die, not the IHS...
b) it is possible (probable?) that there is no fixed relationship between the temp of the die (or whatever portion most requires cooling for a given use, since the .pdf confirms that it will vary) and the IHS temp (which is taken at a particular point at the centre of the IHS iiuc)
c) that being so it is possible that the more efficient (at cooling the die) of 2 blocks might give the same or worse IHS temp as a less efficient block
of course as
old bill might have put it:
