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Haswell Overclocking Guide [With Statistics] - Page 964

post #9631 of 19539
I seem to be seeing returns with ~2.0+vrin by my 4.7 multi with ht off, 4.6 with ht on, given that you are already using really aggressive vcores (~1.43 load), have you tried like 2.1vrin to see if it helped at all?
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post #9632 of 19539
Quote:
Originally Posted by Cyro999 View Post

I seem to be seeing returns with ~2.0+vrin by my 4.7 multi with ht off, 4.6 with ht on, given that you are already using really aggressive vcores (~1.43 load), have you tried like 2.1vrin to see if it helped at all?

Please be careful when raising VRIN (Especially if you don't have Intel's tuning plan). I found this quote from a reviewer on another site:
Quote:
Dave, what was the most voltages you gave to chip's which didn't die, and what was the least you gave to the one's which did?
Ansver:
2.05V on Input and 1.5V vCore killed chips, for the least.
Ran 1.8V vCore, chip is fine, and 2.4V V-Input.

It depends on your chip of course, but you might be unlucky.
Edited by tomlev5 - 2/6/14 at 1:26am
post #9633 of 19539
Quote:
Originally Posted by Cyro999 View Post

I seem to be seeing returns with ~2.0+vrin by my 4.7 multi with ht off, 4.6 with ht on, given that you are already using really aggressive vcores (~1.43 load), have you tried like 2.1vrin to see if it helped at all?

No real need for me to go that high on the VRIN, and my vcore only differs from the VID that I set by ~.014v....biggrin.gif
post #9634 of 19539
Quote:
Originally Posted by tomlev5 View Post

Please be careful when raising VRIN (Especially if you don't have Intel's tuning plan). I found this quote from a reviewer on another site:
It depends on your chip of course, but you might be unlucky.

Was there a timeframe that was mentioned, like how long the chips were running at those settings before they died? I ask because I've had my CPU above 2.05v VCCIN and 1.5v vcore, and mine is still kicking....
post #9635 of 19539
Quote:
Originally Posted by tomlev5 View Post

Please be careful when raising VRIN (Especially if you don't have Intel's tuning plan). I found this quote from a reviewer on another site:
It depends on your chip of course, but you might be unlucky.

1.5vcore seems far, far far more deadly than 2.05 VRIN does.
Quote:
Originally Posted by blaze2210 View Post

No real need for me to go that high on the VRIN, and my vcore only differs from the VID that I set by ~.014v....biggrin.gif

It's targeted 0.02v higher, DMM it. Assume 0.02 higher if you don't have dmm - software isn't accurate at that precise of an interval, sensor only updates in like 0.008 steps and even those are approximate
Quote:
Originally Posted by blaze2210 View Post

Was there a timeframe that was mentioned, like how long the chips were running at those settings before they died? I ask because I've had my CPU above 2.05v VCCIN and 1.5v vcore, and mine is still kicking....

Guy killed his chip in an hour and a half IIRC but he was prime blending at 1.5vid (~1.52vcore) and auto VRIN
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post #9636 of 19539
Quote:
Originally Posted by Barefooter View Post

Are you sure your vcore is stable? If your vcore is too low you'll be chasing your tail. You may want to drop your RAM down to 1600 and make sure your vcore is stable.

Also what is your VCCIN or on your board the Eventual Input voltage?

I ran IBT on High / Very High a few times and never had a BSOD on 20 passes, so I assumed my vcore @ 1.255 was good enough for 4.4g. I BSOD at 1.20-1.24.

VCCIN is set to auto on my Maximus VI Hero.
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post #9637 of 19539
AVX1 linpack (ibt) is not necessarily best stability test for haswell
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post #9638 of 19539
Cinebench can find errors better than ibt. It just doesnt run temps as high.
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post #9639 of 19539
Quote:
Cinebench can find errors better than ibt.

I have dozens of cinebench passes on 4.7@1.3vcore.. yet 4.6@1.3 fails x264 with mtbf of like half an hour
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post #9640 of 19539
I have passed 60x custom loop x264 at 44x with 1.32vcore and played a few hours BF3 MP at 1.325 vcore which i raised some just in case. However i got a BSOD "124" yesterday when playing so cleary BF3 needs more voltage than x264 it seems. Should i try 1.335-34 perhaps ? also i have updated now my bios to F8 if its more stable.
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