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IBT stable ... not at all

post #1 of 34
Thread Starter 
I don't get it...

I'm 5 runs stable (4.4GHz@1.28V) on Intel Burn Test with 5120Mb RAM used with Auto threads.

Temps stay below 70°C

But when typing a thread on OCN it BSOD's (with 124 code so needs more vCore)
When playing CoH, CoH CTD's with error report (it didn't do that on 5.0GHz @ 1.5V)

But why is it IBT stable at these settings...

I kinda feel stupid having 2600K with SA, not able to find a decent OC for keeping the temps low for F@H... (I had a 24/7 stable 5.0GHz OC before and played CoH also, so no problems there)

(I posted this somewhere else also, but it gave no reply anymore, it was also in a different Topic...)

Gtreetzzz
Edited by ASUSfreak - 11/8/11 at 2:27pm
   
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post #2 of 34
You could also try running Blend tests in Prime 95 for a while. IBT is kind of a quick way to test stability. I would double check it with Prime 95 for a longer period of time, before being assured of its stability.
post #3 of 34
5 runs isn't a stability test, it's a quick check. Run 100 passes w/ AVX and if it passes that then run p95 and pay attention to the FFT size it fails on,if it fails.
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post #4 of 34
You should be doing 20 runs of IBT.

Or that's what people tend to say.
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post #5 of 34
try the highest setting of at least 10 runs.
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post #6 of 34
4.4ghz @ 1.28v is rather low, not impossible but 1.30v is more likely the average for most people at that speed.

5 runs of IBT is by no means a proper stability test, do attleast 20 runs with maximum memory usage followed by 6+ hours of Prime95 blend

Your fine with temperatures up to 90 degrees while heavy stress testing, if your a bit scared to go there try stay below 85 degrees then.
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post #7 of 34
5 runs is far from a stability check. You mentioned F@H... Use that to do your stability check. I've found that it pushes your system more than prime or IBT.

Edit: I've had overclocks fail after 24-48 hours of folding. It can realistically take several days if you're aiming for 24/7 folding stab

Edit 2: I should have mentioned, stability tests, such as IBT and prime are still useful. However, they may not be indicative of stability while using F@H. For my 920 I waited for 100 runs of IBT with max memory, but even that crashed while folding and required another voltage tweak.
Edited by stu. - 11/6/11 at 5:47am
 
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post #8 of 34
5 runs is nothing. my 4.2ghz overclock with my i7 950 can do 20 runs stable in IBT but fails at prime about 6+ hours. not stable enough for me
post #9 of 34
I stopped using IBT.

I was using it for quick stability checks and then switch to prime95 for a longer, more extensive test. Not even 5 mins in Prime95 and BSOD all over the place.

EDIT: don't use F@H for stability testing. You're supposed to send correct information
EDIT2: And this wasn't on one occasion btw. IBT just isn't reliable (even @ max mem usage etc.) imho
Edited by Bloitz - 11/6/11 at 10:05am
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post #10 of 34
Thread Starter 
Okay... So a friend of me told me IBT was the way to go... Waaaaay faster he said (I used Orthos in the past, with the affinity stuff for more than 2-core cpu's) --> I'LL TEACH HIM!!!

Quote:
Originally Posted by Farih View Post
Your fine with temperatures up to 90 degrees while heavy stress testing, if your a bit scared to go there try stay below 85 degrees then.
Euhm... I'm not scared but I totally didn't knew SB-chips could take 90°C for hours of heavy testing. What can the have for MAX temp for 24/7???

Seems like a new challenge now!

EDIT: You guys think CoH crashing has something to do with this? Will I be able to play CoH again with OC settings?

EDIT: I'm planning to OC my GTX470's as well next week or so. Does that affect the CPU OC stability somehow? (I guess so because more graphics load will prolly need more CPU power as well... --> What do I need to know for the CPU OC then?)
Edited by ASUSfreak - 11/6/11 at 6:57am
   
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