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prime95 crashes / pc just shuts down without bsod - Page 2

post #11 of 30
Thread Starter 
Quote:
Originally Posted by AMOCO View Post
could be your memory,bump memory volts up a click or 2.in order to get mine stable,i had to up ram volts up from 1.65 to 1.70
My ram is at the same mhz. Why do I need to bump the volts then?
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post #12 of 30
Quote:
Originally Posted by plogservice View Post
My ram is at the same mhz. Why do I need to bump the volts then?
this will explain:http://www.techreaction.net/2010/10/...locking-guide/
post #13 of 30
You're running blend test. The beginning iteration (1024k) of blend test is very easy to pass. Passing 10 minutes proves nothing for stability. For CPU stability you want to be using small FFT, blend is more like CPU + memory which you should test after you stabilize small FFT. I had an Athlon 630, and it clocked like crap. You're going to need a lot more voltage if you expect to get close to 4ghz, more like 1.6v+. Actually 4ghz is probably not going to happen on that CoolIT, you're better backing down and finding a good stable 24/7 clock.

Just to show you how bad Athlon II X4s overclock, look at this.



He needs 1.568v just for 4ghz and he also needed to disable 2 cores just for a validation. You're probably not going to make it to 4ghz
Edited by Dopamin3 - 1/4/11 at 9:43am
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post #14 of 30
Thread Starter 
I'm ocing a 1090T
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post #15 of 30
yep,i also have to run my vcore @ 1.51v to be @ 4.04
post #16 of 30
Quote:
Originally Posted by plogservice View Post
I'm ocing a 1090T
Oh lol. Try around 1.5v, and also what kind of temps are you getting? I think AMD start losing stability if you go over like 65C.
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post #17 of 30
Quote:
Originally Posted by Dopamin3 View Post
Oh lol. Try around 1.5v, and also what kind of temps are you getting? I think AMD start losing stability if you go over like 65C.
just don't get temps over 62c,ideal temps would be 50c to 55c.but i agree crank that baby up.
post #18 of 30
Quote:
Originally Posted by Dopamin3 View Post
Oh lol. Try around 1.5v, and also what kind of temps are you getting? I think AMD start losing stability if you go over like 65C.
As much as I agree with you on volts, Dopamin3, I still think his problem is his PSU. My 1090T draws almost 150w on its own when overclocked to 4Ghz. Couple that with a GPU, drives, motherboard, fans, and a below average PSU and you get a power supply that is powering down to protect itself and the other components.

Typically, when I have an under volted CPU I get BSOD's and hard locks, not immediate power lose.
post #19 of 30
i would agree to on this ,he def. needs a bigger & better psu.
post #20 of 30
Thread Starter 
Thanks guys! My 1090T draws 140W @ 3.8GHz. Temps are max 39C max 41C with ALC Eco and push pull with orginal fan and 120mm antec fan.
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