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A VERY Stubborn 4770K - Page 2

post #11 of 32
Quote:
Wow though...that's A LOT of CPU voltage for that overlock though...

It's current version of Prime. It's likely just being a pain in the butt for you - besides that, 4.5@1.3 in other loads is about average.

For the record i always recommend manually setting ~42x core, 1.23vcore, 33x cache with 1.15v and 1.8vccin - all override/manual - and then touching nothing but core multiplier and x264 in order to assess initial stability and profiles~
Quote:
Prime95 25.11 btw

Oh, pre-avx1? I don't know why you'd want to use that one. If you insist on prime, might as well grab 27.9 and use custom, set fft lengh 1344-1344 for starters (not full/auto blend)

v28+ are more crazy but i don't know if 25 is any good for testing stability. P27.9 fft 1344 is harder on vcore than x264 is
Edited by Cyro999 - 3/20/14 at 7:45pm
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post #12 of 32
Thread Starter 
I appreciate the tip but more or less I'm currently running those settings. I'll give yours a try tomorrow .

The settings I posted resulted in BSOD after a few minutes.

I'm happy to try other stress tests. Call me old school but Prime has always worked for me. It does seem to be illustrating instability in this case.
post #13 of 32
Bump the CPU Input Voltage up to 1.9v. Thats what helped my 4.6+ 4770K overclock. It was set too low
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post #14 of 32
Thread Starter 
Quote:
Originally Posted by Stay Puft View Post

Bump the CPU Input Voltage up to 1.9v. Thats what helped my 4.6+ 4770K overclock. It was set too low

I bumped the Input Voltage to 1.9. I don't have time at the moment to get going on a different stress test but P95 is running as we speak.

Thanks for the tip thumb.gif
post #15 of 32
Thread Starter 
Quote:
Originally Posted by Cyro999 View Post

v28+ are more crazy but i don't know if 25 is any good for testing stability. P27.9 fft 1344 is harder on vcore than x264 is

I'm not seeing any outrageous temperatures or anything along those lines. I've used 25.11 to stress test this system and two before it. I don't doubt there are advantages to using other methods but this version of P95 has a good track record with me.

Once I have a little more time I'll try out some of the other suggestions.

Thanks!
post #16 of 32
Thread Starter 
UPDATE:

Preliminary testing showed the settings from my screen shots to be stable after I bumped the CPU Input Voltage to 1.9v.

I then brought the memory back to XMP settings and got a BSOD within minutes.

Interestingly, the XMP profile is plenty stable as long as I don't overclock.

Any ideas?
post #17 of 32
What are XMP settings? Any changes to SA etc?

If you have the max core overclock you want already stable, try adding +0.1 SA and +0.05 to digital and analog IO
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post #18 of 32
Thread Starter 
Quote:
Originally Posted by Cyro999 View Post

What are XMP settings? Any changes to SA etc?

If you have the max core overclock you want already stable, try adding +0.1 SA and +0.05 to digital and analog IO

What do you mean by "SA"?
post #19 of 32
SA = System Agent

XMP = The "OC" Settings that come with certain RAM modules. You select them in the BIOS and they set the recommendet settings for the RAM clock.
e.g. you have 1600 RAM --->you choose XMP 1600 and it sets Ram Clock to 1600, the timings and the voltage.

Otherwise every RAM runs with 1333Mhz, if not changed in BIOS
Edited by acanom - 3/21/14 at 9:57am
post #20 of 32
Thread Starter 
Quote:
Originally Posted by acanom View Post

SA = System Agent

Got it. Thanks! thumb.gif
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