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I5 750 cannot exceede 160 BCLK. Many problems ruled out. - Page 2

post #11 of 33
Try 165MHz, at 160MHz also run Prime 95 and see if you get any BSODs, If you get any BSODs at lower frequency's before it refuses to boot then use these BSOD codes to get your OC stable.
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post #12 of 33
Also does the mobo show POST codes on the little LCD in the pic, find the code that it restarts on and look at your mobo manual for what each code means.
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post #13 of 33
The problem has nothing to do with an unstable OC, I've never had a single BSOD with this issue but the issue persists. I've run IBT, LinX, and Prime95 small ffts and blend under several different OCs but I've never had a BSOD, usually it just shows an error in the stress test and stops the test. Other than that it just won't boot or shuts off while going through the windows startup, never a BSOD.
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post #14 of 33
Quote:
Originally Posted by overclocker23578 View Post
Also does the mobo show POST codes on the little LCD in the pic, find the code that it restarts on and look at your mobo manual for what each code means.
The codes that show don't actually appear in the manual and when I contacted EVGA they didn't know what they were either (apparently)
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post #15 of 33
Thread Starter 
Interesting. Well, I cannot even get to a BSOD so that does not help me in this situation.

EDIT: Whoops, ignore this post.
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post #16 of 33
Thread Starter 
Yeah, as pencil said, I really dont believe this has to do with the overclock beign stable or not. Obviously something is wrong, but I do not think it has to do with reaching the limits of the hardware's capabilities.

I will definitely check out what error codes the little LCD on my motherboard is giving, however I have checked in the past to no avail.

Thank you for trying to help!
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post #17 of 33
You should give EVGA a call and see if you can get further than I did, my customer service rep seemed like an idiot so maybe you'll get somebody competent. I have to head to class and then I have an essay to do tonight but I'll for sure be checking back tomorrow to see if this got sorted out. Good luck!
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post #18 of 33
Thread Starter 
Sorry about the length of the post all! I just wanted to make sure that I included as much detail as possible.
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post #19 of 33
I have similar situation with my old ECS P55 board - the whatever black edition board. It too has the little LCD screen, which they never provide the informatoin to read. I was with 2 stick 4GB though.

Ended up having enough of it and switch to a giga P55A-UD3P, pass 4ghz easily with 4gb and has been fine ever since. Still even on the UD3P, it is ridiculously difficult to overclock with 4 sticks/8GB of ram. I personally gave up on P55 oc with 8GB before I have more time to spare.
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post #20 of 33
I have two of the P55 LEs overclocked to 4ghz - one with an i5 and one with an i7 - the double boot you refer to is the ClockGen Switch option in the bios. If enabled you will get the double boot - it is required to get over 200mhz on the blck.

I also ran into the continual rebooting issue - it seems it was taken care of in an update - I can't quite remember it though. Let me dig around.

Give this thread a read - some things to try.

http://www.evga.com/forums/tm.aspx?m...high=continual
Edited by Steak House - 3/21/11 at 11:37am
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