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Why does my amd athlon 7750 downclock at a certain temp

Last response: in Overclocking
March 31, 2012 10:43:14 PM

my amd athlon 7750 be is running happily overclocked at 3.2ghz bus speed 200 mhz ht link 1800mhz but when stress testing the temp goes up and when it hits 55*c or above it downclocks it to around 1397ghz til the temp drops to about 49*c which is bugging me slightly can i stop it doing this because i feel 55*c is'nt a high temp and i'm using a coolit eco alc at mo but when i had an artic freezer pro 7 as my cpu cooler it would hit 61 or higher before downclocking just don't understand why its doing this and i'm pretty new to overclocking any help would be gratefully received thanks
a b à CPUs
a b K Overclocking
April 1, 2012 10:00:22 PM

It's very likely a safety feature to avoid overheat. You can probably disable it on the BIOS
April 11, 2012 9:29:36 AM

Have you disabled Cool'n'Quiet in the BIOS?
April 26, 2012 12:15:02 AM

yes i have disabled it in the bios i have now changed the cpu to a phenom II 965 and it does exactly the same i cannot see any settings to disable the safety feature but its annoying when stress testing normal use it on gets up to mid 50s and its overclocked to 4ghz