Hello, I noticed strange behaviour of my AMD Phenom II x4 965. It's overclocked to a stable 3,8GHz and everything was fine for a long time. Today I noticed (while playing GTAV), that the frequency is about 100MHz above 3,8GHZ (about 3,890GHz), which caused GTAV being unstable (without overvoltage 3,8 is max stable frequency of mu unit). I lowered the OC to 3,7 (during the GTAV it was at 3,8 again about 100MHz above my OC). This happens also with multiplier set to auto (at stock 3,4GHz) and again it's about 100MHz above stock (and the game was unstable in every case mentioned - for example mouse cursor was lagging as hell). This happens mostly during the GTAV but also during the system start and while most of my games starting. What may cause this strange behaviour?
AV didn't show anything, hijackthis also, mallwarebytes anti-mallware also.
my CPU: mentioned above
MB: gigabyte ga990xa-ud3
PSU: OCZ ZS650W
sorry for poor english
EDIT: I noticed 2 things also. 1st is that sometimes fq is about 50mhz lower than 3,6GHz and 2nd is that the NB frequency jumps also (from 2020 to slightly above 2100mhz
AV didn't show anything, hijackthis also, mallwarebytes anti-mallware also.
my CPU: mentioned above
MB: gigabyte ga990xa-ud3
PSU: OCZ ZS650W
sorry for poor english
EDIT: I noticed 2 things also. 1st is that sometimes fq is about 50mhz lower than 3,6GHz and 2nd is that the NB frequency jumps also (from 2020 to slightly above 2100mhz
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