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Beginner OC - Intel Core i7 920 @ 2.67GHz Bloomfield 45nm - Page 2

post #11 of 13
I read somewhere that over 3.8 the i7 920s perform much less efficiently, i.e. they take a lot more power for those last few hundred megahertz. I've had my C0 920 OC'ed for months now rock solid at 3.8. Make sure you turn on vdroop compensation(line load calibration I think it's called) and in my case I had to set up my QPI PLL and my QPI/VTT voltage to around 1.34. CPU Vcore is at 1.4.

It gave me a huge jump in performance when I OC'ed.
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Crazyhorse
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post #12 of 13
Quote:
Originally Posted by ruggercb View Post

I read somewhere that over 3.8 the i7 920s perform much less efficiently, i.e. they take a lot more power for those last few hundred megahertz. I've had my C0 920 OC'ed for months now rock solid at 3.8. Make sure you turn on vdroop compensation(line load calibration I think it's called) and in my case I had to set up my QPI PLL and my QPI/VTT voltage to around 1.34. CPU Vcore is at 1.4.

It gave me a huge jump in performance when I OC'ed.

I think what he said about efficiency, goes hand in hand with my post. Even though you may be itching to get passed 4+ ghz, I'd stick with 3.8, and stay stable & safe. A lot of people seem to think modern CPUs + Mobos are bullet proof, and want to get max OCs. But especially as a beginner OCer, better to learn how to set up a safe OC than a highest possible OC.
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Smilodon
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post #13 of 13
Thread Starter 
Looks like I was on the right path (I checked my notes and from what I googled)!

I combined my notes from the guide along with your recommendations and rebooted (No errors or issues found). I'm currently idling at around 45' C and am about to do a few tests on Prime 95. Since I have 2x TRI RAM slots on my P6T I decided to install both sets of RAM and my DRAM frequency to 1600 MHz. I think I would have know by now if they had issues, so I will run the tests and see if they work together nicely tongue.gif

I will put up my Prime findings tomorrow morning after an overnight test. Should I worry about stepping away when the tests are running? I feel like a worried parent lol!

Thanks again guys, you have been extremely helpful!
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