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Can PSU hinder OC? Having Troubles....

post #1 of 14
Thread Starter 
Ok, system in sig.

Im testing at 3.33 (370x9) @ 1.425v

Got 2hrs OCCT and did 18M Super PI, no problems.

Now when playing games, it shuts down within 15min, no blue screen, no error, just restarts. I was thinking with the games, crysis specially, it stresses cpu/RAM/Vid Card all at once, could it be my PSU not being able to handle the increased voltage?

Or is it just an instability issue.

Currently running an Apevia 500W with 2 12v Rails @ 18A Each, so it handles the 8800gt...
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The Money Pit
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post #2 of 14
i would say that the psu has a lot to do with it... maybe its failing or something... try stressing the psu, gpu and ram separatly to see if any of those are the problem
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post #3 of 14
It is most likely something to do with your PSU. Give this a try. Back you memory clock of your GPU from 1000 to 900 to see what happens.
post #4 of 14
yes it has everything to do with overclocking. if your PSU cant supply the power that the overclock need then it will fail.
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post #5 of 14
Thread Starter 
Thanx for the advice all.

I tried reverting back to default on vid card, no luck. Also tried diff drivers...

I can run 3dmark, which is either gpu/ram or cpu/ram stressing depending on test, no problems..

I'm hoping its just the games putting stress on CPU/RAM/GPU and PSU not being able to supply the needed power to all 3 at once..

Temps are all golden. CPU never excedes 55 on any core and GPU is under 45, so thats not the problem either..
Looks like tomorrow I will have to attempt new PSU.

Apevia - Generic PSU, only 500W, no SLI support.... Lasted over a year now, so I cant really complain...
The Money Pit
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The Money Pit
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post #6 of 14
Thread Starter 
still having troubles....

I think my MotherBoard is finally had enough, its the only thing left from last year...

Got a new PSU, 650W, still had problems... RAM/Vid Card/CPU... all new, 3 months or less..

Was trying to hold out til I could afford a 780i, but looks like Im gona get a P35 next week...
The Money Pit
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The Money Pit
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post #7 of 14
Strange that your mobo might be causing. Usually on Vista, if it's an overclock related crash, you'll reboot and your OS will tell you that you had a CPU failure. Try running memtest maybe?
post #8 of 14
PSU has a lot to do with it and although your current one might not have failed you yet but Apevia in general doesn't make very good PSU's and I would personally never trust my system to one.
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post #9 of 14
Couldnt it just be an unstable overclock ? My system ran fine and would crash when i gamed before i actually got an 8hr or more orthos run in. Unless ive read it wrong youve only reverted your vid card to stock settings ? I know reverting the cpu back will in turn make you use less power but isnt it that or a solid stability test , first before you jump to conclusions.
    
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post #10 of 14
No, it's not ure PSU. Its ure mobo. I've been a previous owner of the DS3, and i was really pissed at all the issues:
-Doesn't post all the time
-SATA/IDE is REALLY slow at times
-Troubles OCing with USB devices
-And a lot of other random stuff like BSOD's and missing sounds.

I switched to an Asus Commando after my DS3, and much more happier. U should consider trashing that POS, and get a new mobo.
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