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Ocing a 920

post #1 of 19
Thread Starter 
Hey everyone new to the forum's But i just want to know what should i be setting my vcore. I got it at 1.5 to keep stable in order to reach 4.2Ghz
The reason why I'm asking is that after about a three days of bittorrenting my bio's says It overclocking failed or overclocking vcore failed.
First I redid everything i got to windows than reboot and again would be during the bar load than reboot again. I'm letting run at 2.8 than figure out what happen but i just like to know if any you that have any advice on this.
    
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post #2 of 19
We have pretty similar systems, you just have more memory

Did you run 2 instences of Prime95 for 6 hours and have no errors at that OC?

If not, it's likely that OC was not stable afterall and it eventually built up enough errors to shut down from the OC.


Vcore is different for everyone, so there's no one setting we can tell you. 1.5 is high, I know paul is running his 920 at 4.2 at 1.35 IIRC, but he's got water cooling.

i have mine at 3.92 verified stable at only a 1.3 Vcore, it was NOT stable at 4.1 with 1.33 Vcore, even though it booted to windows and acts fine, it fails Prime95 after an hour or so, and I don't want to bump more Vcore till at least the AS5 cures, or I get my water done. But I could surf the web, listen to music, everything, even run folding at that speed.....but it wasn't stable according to Prime95 so I backed it down to 3.92 again.

Speaking of, what are your temps on that stock heatsink?
post #3 of 19
Well, you are running stock cooling, so I can tell you right now a 1.5V your temps are way to high! Do you know what your temps are? Idle/Load?

Im guessing you need to set in a 1.34 to 1.35 Vcore and lower the OC to 4.0Ghz and check your temperature.
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post #4 of 19
Thread Starter 
55c Idle/62 Load
    
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post #5 of 19
Thread Starter 
Thanks for helping

If my temps seem unreal please realize I live in wisconsin and it only like 20 degrees right now and i use to so i leave my windows so the nice cool air comes in
    
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post #6 of 19
Those temps are not great, but they are well within the normal operating condition of the Presler. You definately don't need 1.5Vcore though.
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post #7 of 19
Thread Starter 
Well i try to see if that help's
    
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post #8 of 19
Quote:
Originally Posted by pauldovi
Those temps are not great, but they are well within the normal operating condition of the Presler.
Well, yeah, but I still wouldn't want to hang out up there. I keep my side panel off to keep temps under 60c at load.

Step #1 - Lower your Vcore

Step #2 - Get better cooling.


Did you go in small steps to 4.2? Or did you just jump up there? I would set everything back to stock, reset your BIOS and start over.


Raise your FSB slowly and set your RAM to match at 1:1 (if your FSB is set to 220, the RAM should be set to 440Mhz), leave the Vcore alone until you test it and it fails a Prime test. Then bump vcore 1 step and re-test.

Rinse, repeat until stable. You should be well under 1.5v at that point!!!


EDIT: BTW, what are your temps at stock settings?
post #9 of 19
Thread Starter 
Stock is 22c idle and 28c load
    
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post #10 of 19
I live in Florida, our abient temp is 22C.... lol

Do youself a favor and get the Big Typoon. Big Typoon is much better than water for bang/buck. It is also safer, and well a lot less mantience than water.
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