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Hello.
A few months back I had installed my SB i5 2500k, and oc'd it do 4.5ghz, and after a few consecutive days of playing it would blue screen on me on those stock voltages. Slowly i had worked it up in increments, which would increase the amount of time until my computer would blue screen, but after what seemed like weeks of peace, its back again. And its happened more than once--sometime's it will just straight up freeze and not go to the memory dump info.
I was just wondering if anyone could help me out; if i should keep raising the voltage (or rather, what's the safety limit before deciding to just clock the cpu multiplier down a bit).
Also, as a side effect my computer never boots in one try, it usually just starts up, shuts off, then boots up again. I know there was a value to fix the boot clock but I didn't want to screw up anything on accident.
Thanks for reading.
(idle screen shot for evidence of voltage, etc. mobo is the asrock p67 pro3)
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Your voltage is really high...I left mine at stock and i'm oc'd at 4.5 as well. What kind of psu do you have?
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850w corsair. really? well it seemed to be getting stabler as i increased it, although i didn't think it was much. What kind of mobo are you using?
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What's your CPU cooler, what did you use for stability testing, and what are your load temps?
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hyper 212, i used intel burn test, and it normally ranges from 39-45c. i'll do another stress test and post results.
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On August 25 2012 09:40 JingleHell wrote: What's your CPU cooler, what did you use for stability testing, and what are your load temps?
This, and do you need such a hard overclock for what you're using your computer for? If not just lower it to 4.0 or even lower then runs one some tests for stability. Some people overclock for function but the vast majority of people overclock because it's extremely easy right now. Just because it's easy to do though doesn't mean it should be done, it can have adverse effects on the longevity of your cpu and easily lead to problems like what you're having. Not every chip is equal as well, some can be clocked up to and over 5.0 and some will struggle to break 4.0 and stay stable.
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Are you sure you're watching the right temps? Specifically, cores rather than case? That sounds absurdly low for the voltage, unless you neglected to mention being at a research base in Antarctica.
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here's the 10 pass.
said it was successful. temps might be a little higher than normal since i haven't cleaned the case in a few weeks, but this blue screening was happening long before then so i'm assuming its not heat.
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You're not overheating, but you're also recording temps that sound much more in line with expectation.
I'd be throwing a memtest86+ overnight run at this point.
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right. i'll bump the thread either later or tomorrow with more results, and if it blue screens ill get shots of my bios settings (as i want to pinpoint that setting that at least lets me boot the computer in one shot.)
thanks a lot thus far, i appreciate it.
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Try turn off all CPU downclocking features (C states, Speedstep etc). Also, some models don't do 4,5 at stock, 4,4 is much more common. Did you try that first. Was it 100% stable before? (to rule out any other issues).
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The voltage is fine as long as the temps doesn't spike but you could probably get it lower than that. Higher voltage = more heat. Perhaps your motherboard can't get to 4,5 stable. My mobo only gets me to 4.3Ghz with a 2500k. You can tweak some settings to might get it stable (lower memory clock/timings will get you more stability but that is not always a good trade off). Try to get it stable at 4.4 if you know your stuff and if that doesn't do it then try 4.3.
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