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voltages for OCing i7-2600k

post #1 of 12
Thread Starter 
Hey all,

I'm trying to get my i7 2600k to 4.4ghz at the very least, but it won't post. Are there any other voltage settings I should tweak around? I've tried giving the CPU vcore to 1.2-1.3v, but it still won't work. I can't find any guides around either.

Should I change any of the QPI voltages etc? I'm using a GA-P67A-UD5 to go with it. Thanks in advance
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post #2 of 12
1.3 might not be enough. Try 1.325 that got me 4.6

Also:

VCCSA: 1.0
VCCIO: 1.1
PLL: 1.825

LLC: Extreme
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post #3 of 12
Most p67 reviews I seen just shows llc as raising the voltage. Most boards report zero vdroop
    
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post #4 of 12
Thread Starter 
Okay thanks, seems to boot into windows fine now with x44 mulitplier, 1.3v CPUvcore and default base clock. The temperatures also seem to be at 28-30, which looks good too.

One and is this normal? CPU-Z says it's on 1.08v, which is way too low for 4.4 isn't it? This is on idle of course and I've disabled all of those power saving features like CIEST/H6 etc

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post #5 of 12
Quote:
Originally Posted by Darco19 View Post
Okay thanks, seems to boot into windows fine now with x44 mulitplier, 1.3v CPUvcore and default base clock. The temperatures also seem to be at 28-30, which looks good too.

One and is this normal? CPU-Z says it's on 1.08v, which is way too low for 4.4 isn't it? This is on idle of course and I've disabled all of those power saving features like CIEST/H6 etc

On idle the voltage is going to drop if you are still using the offset. Just use manual and set it to 1.33. I'm not honestly sure which is better. But you've turned turbo mode off I assume?

And what is your voltage at load?
Edited by IceAero - 1/11/11 at 8:34pm
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post #6 of 12
Quote:
Originally Posted by rmp459 View Post
Most p67 reviews I seen just shows llc as raising the voltage. Most boards report zero vdroop
I'm not sure sure about that!

I'm running 1.35v right now @ 4.8 and cpuz reports 1.344v at idle and 1.36v at load. If I turn LLC off I'm not stable, and if I just set the voltage to 1.36 I'm not stable either.

Am I missing something?
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post #7 of 12
Quote:
Originally Posted by IceAero View Post
I'm not sure sure about that!

I'm running 1.35v right now @ 4.8 and cpuz reports 1.344v at idle and 1.36v at load. If I turn LLC off I'm not stable, and if I just set the voltage to 1.36 I'm not stable either.

Am I missing something?
when you say LLC off, do you mean set to the extreme setting? what setting works for you?

also, are you running with HT on or off?
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post #8 of 12
Quote:
Originally Posted by gooddog View Post
when you say LLC off, do you mean set to the extreme setting? what setting works for you?

also, are you running with HT on or off?

I run with HT on, and I've only been able to be stable with LLC set to extreme. Maybe under 4.4 it wouldn't be needed, but i've never tested my setup under 4.4
Edited by IceAero - 1/11/11 at 10:25pm
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post #9 of 12
Quote:
Originally Posted by IceAero View Post
I run with HT on, and I've only been able to be stable with LLC set to extreme. Maybe under 4.4 it wouldn't be needed, but i've never tested my setup under 4.4
Thanks.
I haven't tried extreme yet.
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post #10 of 12
Did it work?

And, for the record, I'm completely stable @ 4.6 with my vcore set to 1.3. (1.296 idle and 1.312 on load w/ 'extreme')
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