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Tightening my CAS timings is making my CPU run hotter!!! Does that make sense???

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Chixofnix

Member
Joined
Nov 18, 2003
Location
Kansas City, KS USA
does it?


I'm getting hotter load/idle temps (not by many degrees, but still hotter) due to increasing voltage being drawn by my CPU as I tighten my latencies... I thought latencies and how hard the CPU works were independent!

what's goin on?!?
 
Because of the lower latencies, your CPU is probably getting a little more memory bandwidth, so it can work a little faster, so it's getting a little hotter.

ie: it's not spending as much time idling waiting for data from memory.
 
hmm... makes sense... we're not talking about a 10-degree rise here or anything, just a few (maybe 3) between super-tight and super-loose settings.

any concurrence w/ JCLW's theory?

EDIT: and if that's true, then wouldn't the NB be getting a little hotter by the same argument? (haven't been monitoring it, however... so I can't say that it is...)
 
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