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Old 11-08-2012, 07:06 PM   #1
Junior Member
Join Date: Nov 2012
Posts: 2
Default Cores downclocking under load w/ CnQ

Hey folks, strange prob.

During torture tests with Cool n' Quiet enabled, cores will sporadically downclock to exactly 20.5x regardless of multi (even when running at stock 200x21).

Does not happen during 3-thread tests, only at 100% load.

Is not affected by clock speed. So long as the multi is 20.5 or less it stays steady.

Temps never exceeds ~45C CPU, ~42C MB

Setup at default/careful settings:
FX 4170 (200x21 @ 1.44v)
ASUS M5A88-M (2200 FSB/HT)
DDR3-1866 (1:4 @ 1600)

I've about VRM MOSFET overheat problems with this board and FX-8xxx, but never 4xxx.

Ready to pull the trigger on these but figured I'd run it past the crowd.

Any ideas? Anyone had this prob?

Possibly related, my clock seems to fluctuate a lot; 193-204mhz. Cheap board?
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Old 11-08-2012, 07:40 PM   #2
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Join Date: Jul 2002
Location: Vallejo, CA (SF Bay Area)
Posts: 2,302

What is your turbo set at? Try disabling it maybe?
Mini-Beast HTPC 4790K Stock @ 1.077v / Zalman CNPS8900 / Samsung Magic DDR3 2x8GB 2133 1.45v / MSI Gaming 280x / Win 8.1 64-Bit / Samsung Evo 250GB / WD Black 1TB / Rosewill ARC-M550 / Thermaltake Core V1

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Old 11-08-2012, 09:31 PM   #3
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Join Date: Nov 2012
Posts: 2

Same with and w/o TurboCore enabled.
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