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Haswell Overclocking Guide [With Statistics] - Page 530

post #5291 of 19571
Which setting would you use ?:
Vccin: 1,76v Prime95 16h stable
Or
Vccin: 1,808v Prime95 24h+ stable
post #5292 of 19571
VCCIN can go as high as 2.0 as some say
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Intel Core i7 4790K Gigabyte Z87 G1 Sniper M5  2x Zotac 980Ti (Reference Design) Corsair Dominator Platinum 1866Mhz 4x4Gb (16Gb)... 
Hard DriveHard DriveHard DriveHard Drive
Crucial M550 256Gb Corsair Force GT 240Gb Seagate 3TB 2x Samsung Spinpoint F3 1TB 
CoolingOSMonitorKeyboard
Swiftec H220X w/ GT-AP15  Windows 8.1 Pro x64 Samsung 32EH5000 32" HD Direct lit LED TV Ducky Shine 3 [Cherry MX Blue , White LED] 
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post #5293 of 19571
So no Problem to go with the second setting for maximum stability?
post #5294 of 19571
Auto isn't neccesarily 1.8 i think. You should always manually set it and manually set LLC.

Nothing wrong with 1.8 though, i wouldn't hesitate for 1.95 for 24/7.. Just use what works best. Lower isn't better, you're not trying to cut it down
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post #5295 of 19571
Now i m really confused....i set manually vccin 1,81v and baaaam....Computer restarts while playing cod ghosts(10 min) and BIOS say `overclock fail`....(settings tested 2h prime95)...after that i set the vccin back to auto (1,76v) and everything is fine now for 3h....dafuq
post #5296 of 19571
Low sample size (you had one problem, you dont know if it was random or not)

and it's been known for a very long time that higher VRIN is not neccesarily better
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post #5297 of 19571
So you mean higher vccin can cause crashes like me?
post #5298 of 19571
Maybe, there's a reason we don't run it @2v for 1.2vcore overclocks
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post #5299 of 19571
biggrin.gif my vcore is 1,23v and vring 1,19v so normally auto settings (1,76vccin) should be fine, so it cant be the vccin which i must change for my stable OC..next i will try 1,2vring for 42x
post #5300 of 19571
So OC'ed my 4670k to 4.3 with 1.175.
Forgot to set adaptive to manual, which explained to me why there was using more voltage (1.28) than needed.
Thanks for reminding me in the intro post.
I think that this is quite good, but Since this is my first time OCing on air(212 evo with PK3 BTW) I don't know if it's good or not.

Also, when on the desktop with no windows, voltage and clock is still at 4.3 and 1.175. Shouldn't it be like the base clock and lower voltage? I had adaptive on during that time. Strange..

Will edit this post later for the more results.
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