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[Official] 5GHz Overclock Club - Page 286

post #2851 of 8147
Quote:
Originally Posted by feniks View Post

haha, thanks smile.gif
not sure if i want to try that ... wink.gif will see, for now sticking to is as is for some time ... need to play some games finally biggrin.gif

psssssst let me OC that bad boy biggrin.gif
post #2852 of 8147
Anomander Rake - SB-E 3930k 5108.9mhz

http://valid.canardpc.com/show_oc.php?id=2594940

post #2853 of 8147
Thread Starter 
Quote:
Originally Posted by Anomander Rake View Post

Anomander Rake - SB-E 3930k 5108.9mhz
http://valid.canardpc.com/show_oc.php?id=2594940
72
LL
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post #2854 of 8147
Quote:
Originally Posted by Valgaur View Post

psssssst let me OC that bad boy biggrin.gif

hehe. no wink.gif

The true reason is that there is something flakey about stability of 5GHz on this CPU. I tried making it my daily clock with offsets, but vcore demand was growing faster then I was able to stabilize it ... in other words, made is stable at offset e.g. +0.255, played XCOM for 15 minutes and BSOD/crash (vcore too low) ... re-stabilized (new offset +0.265) and again the same thing 20 minutes later ... and again and again. gave up at +0.300 and reverted down to daily 4.7GHz @ 1.208v vcore under load 0.025 offset).

is it possible that CPU might degrade only high overclock while not degrading all the lower ones at same time at all? it still does stock turbo 3.9GHz with 1.12v under load as it used to in the beginning ... weird.
post #2855 of 8147
Quote:
Originally Posted by feniks View Post

hehe. no wink.gif
The true reason is that there is something flakey about stability of 5GHz on this CPU. I tried making it my daily clock with offsets, but vcore demand was growing faster then I was able to stabilize it ... in other words, made is stable at offset e.g. +0.255, played XCOM for 15 minutes and BSOD/crash (vcore too low) ... re-stabilized (new offset +0.265) and again the same thing 20 minutes later ... and again and again. gave up at +0.300 and reverted down to daily 4.7GHz @ 1.208v vcore under load 0.025 offset).
is it possible that CPU might degrade only high overclock while not degrading all the lower ones at same time at all? it still does stock turbo 3.9GHz with 1.12v under load as it used to in the beginning ... weird.

That's the thing no ones had ivy long enough to confirm this yet. I think I makes since because the higher the multi the more stress on it thus taking more and degrading that level of stress. Reduce it and you'll have different variables and still be stable like normal.

We just have to wait is all.
post #2856 of 8147
Quote:
Originally Posted by Valgaur View Post

That's the thing no ones had ivy long enough to confirm this yet. I think I makes since because the higher the multi the more stress on it thus taking more and degrading that level of stress. Reduce it and you'll have different variables and still be stable like normal.
We just have to wait is all.

correction!
it did not degrade at all at 5GHz!!! I have just restabilized it again with same setting as initially used (fixed vcore at 1.465V in BIOS) and it's perfectly stable... I don't understand why it didn't want to run with offsets giving it even more vcore at some point ... weird. that's what baffles me about Ivy Bridge every time.

right now I have 17C room temps, going for 5.1GHz wink.gif

EDIT:
BSOD'ed on restart, BSOD 19 ... so far I've seen only 124 and once 0A ... I think it might be something not realy stable with CPU frequency setting in Digi+ on my board ... used to run always manual max 500KHz at higher clocks, perhaps that's the unstable culprit here. will try again at manual 300KHz (lowest, same as auto) and see if it fixes those quirks.

BTW, dropped my room temps to 14C by opening all windows ...

EDIT2:
stable at same 1.465v vcore (fixed) with automatic (300KHz I think) frequency ... so far no BSODs, I think 500KHz was making my board unstable ... hitting on 5.1GHz ...
Edited by feniks - 11/25/12 at 5:37pm
post #2857 of 8147
Quote:
BTW, dropped my room temps to 14C by opening all windows ...

LoL u gonna freeze your backside in the name of science lachen.gif
post #2858 of 8147
5.1GHz, trying to stabilize with Cinebench, once there I will go for 5.2Ghz
2595030.png
post #2859 of 8147
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post #2860 of 8147
Quote:
Originally Posted by X79Extreme7UK View Post

LoL u gonna freeze your backside in the name of science lachen.gif

I am LOL! needed to pull warmer socks wink.gif

5.1GHz temp stable (WHEA occured, not bothering with them at this point) under CINE:


5.2GHz reached (read: booted) with no errors at 1.625V:
2595047.png


leaving it for now. for sakes of safety I need to check stability of 4.7GHz, if it worsened, then I am done with benchmarks.
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