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Unstable. Then what?

post #1 of 9
Thread Starter 
Newb here.

I have an unlocked Phenom II X2 570 and I'd like to test for stability. I've read that software like Prime95 are designed to test for stability. I've tried to run the blend test but my computer freezes as soon as it starts. No BSOD, just freeze. This happens even at stock speeds and more than enough voltage as shown in my CPU-Z validation below:



I figured the blend test was not going to happen so I tried the other two, In-Place large FFT's and Small FFT's. (I have no clue what FFT is btw). The same problem happens in the Large FFT's. Computer freezes up. However, the Small FFT's it works. It's running as I type this.

After re-reading the description of each test, I think it might be a RAM problem because the Small FFT's is the ony one working and the only one that doesn't test the RAM much, or so it says.

If anyone can shed some light as to what's going on here, please help. What is the problem and what exactly do I have to do to solve it? I've gotten rid of the Harware Temperature Safety voltage drop/multiplier drop if that helps anything. If more information is needed, please let me know (and let me know how to get it ).
post #2 of 9
Just because everything in the BIOS is "stock" doesn't necessarily mean the settings are the most stable. Prime95 is a pretty severe test.

More than likely the CPU voltage (VCore, or whatever that's called in your BIOS) has to be increased, though it may also be memory timings or voltage. Could also be NB voltage. Or all the above.

If overclocking was easy, everyone could do it.
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post #3 of 9
Thread Starter 
Quote:
Originally Posted by billbartuska View Post
Just because everything in the BIOS is "stock" doesn't necessarily mean the settings are the most stable. Prime95 is a pretty severe test.

More than likely the CPU voltage (VCore, or whatever that's called in your BIOS) has to be increased, though it may also be memory timings or voltage. Could also be NB voltage. Or all the above.

If overclocking was easy, everyone could do it.
Hmm I've never thought of it that way. Does that mean my parts need to meet a certain bar before Prime95 even becomes relevant? If that's the case, are there some other tests out there I can run? Also, if "stock bios settings" can't yield stable results, I have more things to worry about than OC'ing right?
post #4 of 9
run prime without the unlocked core and see how that goes, they lock the cores and sell as is for a reason.
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post #5 of 9
she sounds like shes a sandwich short of a picnic. i'd cut her loose and get some normal friends. she'll only get you into all kinds of trouble.
post #6 of 9
Thread Starter 
Quote:
Originally Posted by Ra1nman View Post
run prime without the unlocked core and see how that goes, they lock the cores and sell as is for a reason.
True. Brb.
post #7 of 9
Thread Starter 
Ok so I've locked up the two cores and tried some Prime95 blend test and it will at least run. While it was restarting, I got the idea of trying to find the maximum voltage on two cores (so before the temperatures hit 65) and then unlock the other two and down clock until it's stable. Can someone tell me if this is a dumb idea?
post #8 of 9
take it slowly, up the clocks a little at stock voltage and test, then up some more, until it becomes unstable, then up the voltage, test again, if it passes up the clocks some more. keep going like this until you hit a max temp on prime.(i would say about 60 max)

when youve finished you should have a nice overclock but im unsure if performance wise you would be better off with high clocks/less cores or low clocks/more cores.(there must be some benches somewhere) you can also start playing with the NB and ram to maybe tweek things a little.
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post #9 of 9
Quote:
Originally Posted by Whyzguy View Post
Hmm I've never thought of it that way. Does that mean my parts need to meet a certain bar before Prime95 even becomes relevant? If that's the case, are there some other tests out there I can run? Also, if "stock bios settings" can't yield stable results, I have more things to worry about than OC'ing right?
Ha Ha! No, Prime 95 is an extremely severe test. It's real purpose is to stop people from claiming outrages overclocks that would be unuseable on a daily basis. If an overclock is Prine 95 stable, it's rock solid stable, much more stable than you would need for everyday computing. I've run seriously overclocked boxes for months that would fail Prime 95 in 5 seconds.

I kind of look at it as useless. Useless for everyday stability, and useless for overclocking because if you're benchmarking, stability (other than being able to successfully run the benchmark) is irrelevant.

And, yes, overclocking is a slow and methodical process of repeated failures, accompanied by cold sweat, in the dark of the night. I've heard capacitors snapping while they glowed in the dark.

Use a pencil and paper and write down settings and what failed.
Edited by billbartuska - 10/12/11 at 2:34pm
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