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PSU killing my overclock?

post #1 of 11
Thread Starter 
Recently I got brave and decided to OC my cpu to the max ( well as max as i can ) And Everything was running fine It booted into windows @ 270x9 and i could even run aim and msn, then when i opened up internet explorer my comp reset, and I could boot into windows but not run anything let alone prime to see if it was just an instable OC. But one thing im thinking is it may be my psu it has 28a on the 12v rail and using PC probe it says the actual voltage is between 11.67v and 11.79v.

Edit My Cpu has a winchester core
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Cosmos 1000
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post #2 of 11
reset eh? seems u over heated. can you confirm on your temperatures??
    
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post #3 of 11
I would say it reset because of the PSU but as its a 500W... can't confirm that... unless you have a lot of fans, leds, hdd, drives, etc...
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post #4 of 11
well it sounds unstable to me, it COULD be your PSU.... what is /was your temp before the system crash, and what is your vcore?
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post #5 of 11
There is a few thing that could do that , temps , vcore , Htt , vdimm voltage. Are you running your memory 1 to 1? Did you lower your Htt?
It would be a good idea to list all your settings .
post #6 of 11
Thread Starter 
MEM was at 133 so it was running @ 203, which is fine i have run it to 210 no major problems though i havent tried running memtest i dont have a floppy drive or a spare CD. Temps were fin they were @ 35 while @ idle, and the V-core was @ 1.536 acording to PCprobe, so i doubt it was temp, maybe i need more v-core , as for the HTT right now i can remember, i need to start documenting it on paper or sumthing @_@
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post #7 of 11
Temps look ok at idle , you should try to get a load temp just to see how far their rising . I'd run prime to see if it shows any errors . Is your X800 overclocked? I had one and if it was pushed it would reset the system without artifacting . Double check the HTT , @ a 270fsb you'll prolly need to run 600mhz or 3X (810) . You might get away with 4X (1080) but overclocking the htt by 80mhz can cause instabilty . Good luck
post #8 of 11
Thread Starter 
UPDATE: Im about to test 260*9 for stability using Prime95, Also if it goes for 10 min without problem i plan on bringing up the FSB another 5 to 265, so for the HTT would it be better For me to set it to *3 or *5 I.E 1060 or 795 ? also my temps at idle are 35 with the v-core @ 1.50 will post load temps in a sec
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Cosmos 1000
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post #9 of 11
If your stable @ 1060 NP... most MB can run to 1080...
Either should work well.
    
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post #10 of 11
Your PSU could be failing you, because it might just not be good. But, I'm not really sure about it...
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