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**Ivy Bridge Overclocking Guide** (with LN2 Guide at The End) - Page 71

post #701 of 1508
Quote:
Originally Posted by Anzial View Post

well maybe you shouldn't be then advising on prime95 stress-testing in the first place since you are against it anyways:rolleyes:
Where i said i am against prime95?
I just said that prime95 doesnt ensure 100% stability.
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post #702 of 1508
Quote:
Originally Posted by sena View Post

Where i said i am against prime95?
I just said that prime95 doesnt ensure 100% stability.
that's because you suggest using it w/o AVX. Running it with AVX will insure 100% stability - that's my point and you still not getting it.
post #703 of 1508
Quote:
Originally Posted by Anzial View Post

that's because you suggest using it w/o AVX. Running it with AVX will insure 100% stability - that's my point and you still not getting it.
Even AVX prime95 wont ensure you full stability, you are not getting point, AVX tests will only touch AVX "part" of CPU.
And this sentence "that's because you suggest using it w/o AVX" is not true, i just said that "normal" prime95 can dial bad overclock too.
There is no one stress program that will stress every part of cpu, you need good combination for that.
Just like with GPU, you cant raly on only one game to test stability, you need ten games.
Edited by sena - 8/10/12 at 1:18am
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post #704 of 1508
Quote:
Originally Posted by Anzial View Post

Running it with AVX will insure 100% stability - that's my point and you still not getting it.

That's wrong. Playing games or watching videos while Priming, will cause Vcore fluctuations that can still cause crashes / WHEAs where Prime alone would be 'rock stable' for dozens of hours.
post #705 of 1508
Thread Starter 
lol why would you do those things while priming? lol
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post #706 of 1508
I found that having both a high-load app (e.g. Prime) and low-load app (e.g. movie, game, flash webpages) running simultaneously makes Vcore defiencies show up much sooner than waiting weeks for a random WHEA or "has stopped responding" app crash.

I don't do this all the time, but I sometimes just leave Prime running when using the PC. Even if Prime by itself can run stable for 20h+ straight, low/high-load Vcore fluctuations can cause further WHEA errors or app crashes. And that just means it's something I should test before I can assume my OC is "super stable".
post #707 of 1508
I use prime to test initial stability, then I play various games or whatever I'd normally do on the PC. Then I run folding and do all that same stuff, as my rig folds 24/7, while web browsing, gaming, whatever.
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post #708 of 1508
Wow you guys have some good chips. I have a terrible one frown.gif

I'm running at 1.265 Vcore, 1.6xx CPPLL, and Level 2 LLC.

My max temps are at 95c on IBT.

Running a 212 Evo and I have pretty sufficient cooling..

Any way I can reduce temps or did I put too little TIM? I put a pea size amount (recommended from the TIM guide).


/e. So I changed my OC to 4.2 ghz running @ 1.112 Vcore and 1.568 CPPL with Level 2 LLC and I'm getting IBT temps of ~67c. Is there really THAT big of a difference for 300 mhz?
Edited by EliteNewbz - 8/10/12 at 10:35pm
post #709 of 1508
Quote:
Originally Posted by hanghang2012 View Post

raise ur voltage to 1.14 or 1.15v. i was able to run prime 4 to 6 hrs at 1.12v then 1 core failed.

I've run 4.5Ghz @ 1.12v for over 15hrs multiple times on prime before the problem occured.

I'm pretty sure I fixed the issue. Cleared Cmos, reseated ram again. Then ran prime for ~15hrs. No errors came up, yet once I stopped prime errors came up a few minutes later. I had played around with my 4.5Ghz setting previously to going to 5Ghz (upped LLC and lowered voltage to get lower Vcore at idle). Turns out my Vcore at idle was too low and was causing instability. Learned my lesson with using too much LLC.
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post #710 of 1508
Quote:
Originally Posted by Arkaridge View Post

I've run 4.5Ghz @ 1.12v for over 15hrs multiple times on prime before the problem occured.
I'm pretty sure I fixed the issue. Cleared Cmos, reseated ram again. Then ran prime for ~15hrs. No errors came up, yet once I stopped prime errors came up a few minutes later. I had played around with my 4.5Ghz setting previously to going to 5Ghz (upped LLC and lowered voltage to get lower Vcore at idle). Turns out my Vcore at idle was too low and was causing instability. Learned my lesson with using too much LLC.
You are running way too much prime95.(couple of days ago 16 hours, now 15 hours, then 9 hours and so on)
Just good friendly advice.
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