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Haswell Overclocking Guide [With Statistics] - Page 1054

post #10531 of 19539
Quote:
Originally Posted by Veilus View Post

Just had a go with my 4770K and i bsod before even loading windows at 1.25v at 4.2Ghz lol. Fun. Cool temps as well. Haven't even benched 4.1 to check if stable.
Its normal right if cpu z shows 1.28v even though i set it to manual at 1.25?
yes. It varys by a different amount with different mobos.
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post #10532 of 19539
Hello guys, i'm new to the overcloking world
After reading this thread for a week now ( Thanks to OP and other contributor for the great stuff here thumb.gif ) and trying to get moar Mhz to my cpu, it's time to ask some questions.

i used 1,9v vrin, 1,25v vcore, 35x min/max cache with 1,15v as starting point. I also disabled igpu and the power saving stuff. i've set ram frequency from Auto to 1600Mhz with 1.65v for now.
edit: LLC is set to lvl8 ( max )

I get up to 4.3Ghz stable with 10 pass of x264.
when i tried 4.4, i had to add more vcore, slowly 1.262, 1.275, 1.287. all failed within 20min ( bsod 124 ) with x264 bench, while ibt standard passed just fine except at 1.25.
Right now with 1.3 vcore it seems to pass x264 just fine ( Loop 8 currently and counting )

Temperature are controlled ( never exceed 68° with x264 / 80-85 max for ibt )

First of all, am i doing it the right way ? or did i miss something earlier ?

I gonna try to get up to 4.5 or 4.6 if i could get 4.4 stable, should i continue playing with vcore ? or when will i know i have to add more vrin ?

Thanks for your time.
Quote:
Originally Posted by Cyro999 View Post

There's something wrong with your overclock or software, my 4770k @4.5ghz pulls over 21fps (average by the end, where yours says 15) in x264 bench.. which is ~1.4x faster.

i get myself ~15.30@4.4 at the end, and as i remember it was ~14.8 @4.3
i downloaded x264 from the OP and the bat automatically set itself to high priority, with near no background apps except windows/driver stuff
Edited by Amnyz - 2/28/14 at 9:49am
post #10533 of 19539
Quote:
Originally Posted by Amnyz View Post

Hello guys, i'm new to the overcloking world
After reading this thread for a week now ( Thanks to OP and other contributor for the great stuff here thumb.gif ) and trying to get moar Mhz to my cpu, it's time to ask some questions.

i used 1,9v vrin, 1,25v vcore, 35x min/max cache with 1,15v as starting point. I also disabled igpu and the power saving stuff. i've set ram frequency from Auto to 1600Mhz with 1.65v for now.
edit: LLC is set to lvl8 ( max )

I get up to 4.3Ghz stable with 10 pass of x264.
when i tried 4.4, i had to add more vcore, slowly 1.262, 1.275, 1.287. all failed within 20min ( bsod 124 ) with x264 bench, while ibt standard passed just fine except at 1.25.
Right now with 1.3 vcore it seems to pass x264 just fine ( Loop 8 currently and counting )

Temperature are controlled ( never exceed 68° with x264 / 80-85 max for ibt )

First of all, am i doing it the right way ? or did i miss something earlier ?

I gonna try to get up to 4.5 or 4.6 if i could get 4.4 stable, should i continue playing with vcore ? or when will i know i have to add more vrin ?

Thanks for your time.
i get myself ~15.30@4.4 at the end, and as i remember it was ~14.8 @4.3
i downloaded x264 from the OP and the bat automatically set itself to high priority, with near no background apps except windows/driver stuff

Do you have a 4770k or 4670k? Set your uncore to 33x; 35x turbo's for many mobo's on 4770k's and 44x turbo's for many mobo's on 4670k's. 1.15v can be not enough for 40x uncore and throw 124 errors.

What was your 43x vcore set, vs 44x? Some people can get +100mhz with as little as ~+0.03vcore sometimes, but especially around 1.3v, it often starts to take 0.05v per 100mhz. The gap between my 4.5 and 4.6 seems to be even bigger than that - though it takes some checking to make sure the vcore is necessary and it's not some other setting catching you out. It's likely that your chip is just ~100mhz below "average"

You can play with VRIN a little; in most cases it's fine as vcore+0.6 with llc
Quote:
or when will i know i have to add more vrin ?

This often throws 101 errors, though vcore often throws 101 too. For me when i don't have enough VRIN, the crash dump on 101 bluescreen often fails to complete which is a big tell - not sure if anybody else see's that though. If you stick to +0.6 above vcore or try raising/lowering it on known stable profiles to see what works and what does not, you can get a good idea of what to use.
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post #10534 of 19539
Quote:
Originally Posted by Cyro999 View Post

Do you have a 4770k or 4670k? Set your uncore to 33x; 35x turbo's for many mobo's on 4770k's and 44x turbo's for many mobo's on 4670k's. 1.15v can be not enough for 40x uncore and throw 124 errors.

What was your 43x vcore set, vs 44x? Some people can get +100mhz with as little as ~+0.03vcore sometimes, but especially around 1.3v, it often starts to take 0.05v per 100mhz. The gap between my 4.5 and 4.6 seems to be even bigger than that - though it takes some checking to make sure the vcore is necessary and it's not some other setting catching you out. It's likely that your chip is just ~100mhz below "average"

You can play with VRIN a little; in most cases it's fine as vcore+0.6 with llc
This often throws 101 errors, though vcore often throws 101 too. For me when i don't have enough VRIN, the crash dump on 101 bluescreen often fails to complete which is a big tell - not sure if anybody else see's that though. If you stick to +0.6 above vcore or try raising/lowering it on known stable profiles to see what works and what does not, you can get a good idea of what to use.

i have a 4770k.
with 43x @ 1.25v i was able to pass 10 loop x264 without issue.
Now with 44x @ 1.3v im actually stable in x264.
I will do some test at 45x tonight
Vrin ajustement will be next, thanks for the tips.

What do u mean by turbo at 35x for uncore ? it would go up to a higher ratio under load/stress ?
post #10535 of 19539
Quote:
Originally Posted by Amnyz View Post

i have a 4770k.
with 43x @ 1.25v i was able to pass 10 loop x264 without issue.
Now with 44x @ 1.3v im actually stable in x264.
I will do some test at 45x tonight
Vrin ajustement will be next, thanks for the tips.

What do u mean by turbo at 35x for uncore ? it would go up to a higher ratio under load/stress ?

it was confusing to me at first too. You have two Uncore/cache clocks settings in bios. One is for base and the other is for turbo. the turbo is what it goes up too when you load the cpu.

if you set the turbo to 35 it would not go higher than that.
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post #10536 of 19539
Quote:
Originally Posted by Wirerat View Post

it was confusing to me at first too. You have two Uncore/cache clocks settings in bios. One is for base and the other is for turbo. the turbo is what it goes up too when you load the cpu.

if you set the turbo to 35 it would not go higher than that.

I didn't see him list what motherboard he has but Gigabyte lacks this important feature.
post #10537 of 19539
Quote:
Originally Posted by Derp View Post

I didn't see him list what motherboard he has but Gigabyte lacks this important feature.
gigabyte boards only have one cache clock adjustment?
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post #10538 of 19539
Quote:
Originally Posted by Wirerat View Post

gigabyte boards only have one cache clock adjustment?

Yeah. The bios lacks the min and max cache settings.

If you leave the cache set to 34x for 4670k or 35x for 4770k then it will turbo up to 4GHz. This setting actually clocks back down to 800MHz at idle.

If you set any other cache multiplier, for an example, 38x, then it will be stuck on that speed and never drop at idle.
Edited by Derp - 2/28/14 at 4:35pm
post #10539 of 19539
Quote:
Originally Posted by Wirerat View Post

gigabyte boards only have one cache clock adjustment?

On Asus rog Hero as well. I only have min and max multiplier for uncore, no turbo multi for it.
post #10540 of 19539
Quote:
Originally Posted by Wirerat View Post

it was confusing to me at first too. You have two Uncore/cache clocks settings in bios. One is for base and the other is for turbo. the turbo is what it goes up too when you load the cpu.

if you set the turbo to 35 it would not go higher than that.
Quote:
Originally Posted by Derp View Post

I didn't see him list what motherboard he has but Gigabyte lacks this important feature.

Oh well i forget to enable my rig in signature biggrin.gif

I have a maximus VI formula c2 and i could set min and max cache. but no turbo thing
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