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Stable voltage AMD PHENOM 955 TO 3.7GHZ

post #1 of 22
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My cpu v is 1.35v at 3.2 ghz what voltage is ok for 3.7 ghz ???

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post #2 of 22
From what i seen you should be around 1.4 but if your lucky you don't to change it.

and if you want 4.0GHZ should be around 1.475 or 1.5
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post #3 of 22
Just dont go over 1.5 and you should be fine.
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post #4 of 22
i have seen people overclock 955 to 4.0ghz with 1.45 and pls dont go over 1.5v i will void the company warranty and may damage to chip causing its life to get shorter
Hope That Helped smile.gif
Edited by Tarun - 10/3/11 at 3:25am
post #5 of 22
Thread Starter 
i have my cpu 3.6 ghz with 1.375v without provlems and when i oc to 3.7 with 1.375 i had blue screen what to do if i keep it 1.375 at 3.6 i had not problems ???
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post #6 of 22
Quote:
Originally Posted by Tarun;15158474 
i have seen people overclock 955 to 4.0ghz with 1.45 and pls dont go over 1.5v i will void the company warranty and may damage to chip causing its life to get shorter
Hope That Helped smile.gif

1.55v is max but if you have good cooling you can go way over that, but no where it says you void your cpu. but may damage it if you don't have proper cooling.

And if i remember somewhere in amd warranty states if you don't use stock heatsink you void your warranty so he probably voided his warranty already.

Quote:
Originally Posted by Deanofski;15158496 
i have my cpu 3.6 ghz with 1.375v without provlems and when i oc to 3.7 with 1.375 i had blue screen what to do if i keep it 1.375 at 3.6 i had not problems ???

you need more volts you can try 1.4 or go up to 1.425 and that should be enough to get up to 3.8
mines at 4.1Ghz @ 1.525volts
Edited by Darksoul844 - 10/3/11 at 3:32am
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post #7 of 22
Thread Starter 
Should be ok 4ghz with 1.45v ??? or not
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post #8 of 22
Thread Starter 
i tried 3.7 ghz with 1.4 it's ok but i prefer 3.6 ghz with 1.375 is saame speed with lower tempterure is not big difference 3.6 to 3.7 i prefer 4 ghz
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post #9 of 22
Its up to you, but after you should run prime to see if your oc is stable for at least 6+ hours and if you get more BSOD remember to get the BSOD code to see what your problem is.

all i can tell you is 1.55v is what amd says its safe limit for voltages and 63c max temps.
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post #10 of 22
For overvolting, ensure good CPU and VRM cooling.
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