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**Ivy Bridge Overclocking Guide** (with LN2 Guide at The End) - Page 68

post #671 of 1210
8/4/12 at 11:49am
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OKay, remounted and it's at 84*c hottest core. The other three are mid 70's
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post #672 of 1210
8/4/12 at 12:12pm
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The heatsink is freezing, not even warmer than when I put it back in. There's bad contact :C
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post #673 of 1210
8/4/12 at 12:16pm
is there any prime95 setting to see if my CPU is stable quickly? Would running it 8-8 make sense?

12 hour blend test is so uneconomical when I've got stuff to do lol
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post #674 of 1210
8/4/12 at 12:24pm
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I did mine overnight, small FFT with 6GB of RAM allocated, tested for 10 hours. as well as 10 runs of IBT and some gaming/folding. Seems 100% stable so far.
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post #675 of 1210
8/4/12 at 1:16pm
Quote:
Originally Posted by Tori View Post

is there any prime95 setting to see if my CPU is stable quickly? Would running it 8-8 make sense?
12 hour blend test is so uneconomical when I've got stuff to do lol
Usually the small FFT will generate the most heat and error. For me, when testing an OC, I usually test 8k and 40k first (I generally get rounding errors with those). Then, tests programs that I generally use (After Effects and x264 encoding). If everything is fine (no crashes, no hangs, no WHEA errors) and vcore (CPU-Z) and temps are what I wanted, then I'll finally do an 8 hours (5min/fft) complete custom test.
Edited by Teiji - 8/4/12 at 1:24pm
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post #676 of 1210
8/4/12 at 6:49pm
Quote:
Originally Posted by Tori View Post

is there any prime95 setting to see if my CPU is stable quickly?
What I do is a custom test that is the same settings as blend, but testing each FFT for 1 min before moving on to the next size, instead of the default 15 mins. You can run it as long as you like, it just changes FFT sizes much more often, so for a given test period you can test a wider variety of FFT sizes.
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post #677 of 1210
8/5/12 at 9:38am
Assistance please....

Trying to finalize my overclock of 4.2GHz before i move up to 4.4. Something is puzzling me with the voltages though, if I move up to 4.2 using the TurboV EVo I can get 1 hour Prime stable using 1.12V, but if i overclock in the bios, I need 1.16 ( 75% LLC) to get the same stability.

Any ideas as to what is going on or how to lower the voltage or have I just lost the silicon lottery this round?
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post #678 of 1210
8/6/12 at 11:26am
Thread Starter 
possibly auto OC is pushing more LLC.
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post #679 of 1210
8/7/12 at 7:07am
Quote:
Originally Posted by Jras View Post

Assistance please....
Trying to finalize my overclock of 4.2GHz before i move up to 4.4. Something is puzzling me with the voltages though, if I move up to 4.2 using the TurboV EVo I can get 1 hour Prime stable using 1.12V, but if i overclock in the bios, I need 1.16 ( 75% LLC) to get the same stability.
Any ideas as to what is going on or how to lower the voltage or have I just lost the silicon lottery this round?

What Sin said. And please try to refrain from double posting in this forum. If you must, at least link to the other post in the other thread as a matter of courtesy.
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post #680 of 1210
8/7/12 at 2:01pm
Hi thanks for some of the responses to my prime 95 inquiry.

I still have some more questions about stability.

First of all, can someone please tell me why one of my workers fails in prime 95 at 4.8ghz 1.344v?

I have 4.5ghz stable at 1.208 but 4.8 is really hard.

I have only changed voltage and my LLC is set to 75%.

My offset is +.155

Also, would prime95 blend test custom with each fft time set to 10 min and memory set to 14000 be okay for testing stability?
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