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Haswell Overclocking Guide [With Statistics] - Page 1068

post #10671 of 19539
My z87-plus will add as much as .07 when I have adaptive on vcore. Thats ridiculous. With manual on it already boosts from 1.375v up 1.408 while stress testing. I just do not see the need for that much vcore.

What if it adds more on some instructions set thats not included in the stress tests? I am running adaptive on my cache voltage and it works well. it allowed me to lower my cache voltage down to 1.2 from 1.33.

The only way I would run adaptive vcore is if I was running very low vcore anyway like under 1.3
Edited by Wirerat - 3/3/14 at 12:45pm
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post #10672 of 19539
Quote:
Originally Posted by coelacanth View Post

I have my CPU Cache Voltage set to Manual (1.15v) and it drops to .003v at idle (measured with HWInfo).

Asus Maximus VI Hero, 1301 UEFI
Min CPU Cache Ratio 8, Max CPU Cache Ratio 42
EIST and all C-States enabled
Balanced Windows 7 Power Plan


That is interesting. I have the same board and BIOS, min=8 and max=39, and I don't see it drop with AI Suite. I have EIST on and all C-states except 6 and 7 enabled. I will have to look with HWInfo.
post #10673 of 19539
Quote:
Originally Posted by Wirerat View Post

My z87-plus will add as much as .07 when I have adaptive on vcore. Thats ridiculous. With manual on it already boosts from 1.375v up 1.408 while stress testing. I just do not see the need for that much vcore.

What if it adds more on some instructions set thats not included in the stress tests? I am running adaptive on my cache voltage and it works well. it allowed me to lower my cache voltage down to 1.2 from 1.33.

The only way I would run adaptive vcore is if I was running very low vcore anyway like under 1.3

Like I said, it may not work for high overclocks, and the high overclocks may not be stable for the newer AVX instructions. I was wondering if the boost might increase wth core frequency or core voltage,

Have you tried running 1344k, 1344k with P95 82.3 or 82.4? Just wondering if it is stable.
post #10674 of 19539
Quote:
Originally Posted by Cyro999 View Post

Adaptive mode is pretty loosely defined though, and controls vary mobo to mobo. It doesn't exist on some, such as giga. Likewise, avx, avx2, fma3 etc can be used without the volts rising sometimes but not all of the time. It's not very well understood by anyone AFAIK

Except maybe Intel, LOL.
post #10675 of 19539
got a 770 and reinstalled windows gonna overclock both tomorrow.
post #10676 of 19539
I'll grab your version once you upload it, tried the latest encoder yesterday on my BF4 stable clocks and had to up VCCIN from 2v to 2.1v so it wouldn't crash. It was little odd, found that upping either SA or vcore caused a 124 so I had to drop them back down while VCCIN kept making it more stable. Overall it ran 5-10 degrees hotter than BF4 and took about 10-12mins to go through 1 pass/test (I found this the oddest thing, pretty slow).
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post #10677 of 19539
Quote:
Originally Posted by GeneO View Post

That is interesting. I have the same board and BIOS, min=8 and max=39, and I don't see it drop with AI Suite. I have EIST on and all C-states except 6 and 7 enabled. I will have to look with HWInfo.

Not sure about Asus, but on Gigabyte you need C6/7 enabled to get the really low Vcore drops. May be the same for Ving.
post #10678 of 19539
Quote:
Originally Posted by Forceman View Post

Not sure about Asus, but on Gigabyte you need C6/7 enabled to get the really low Vcore drops. May be the same for Ving.

I get the drop when in adaptive but not manual, both wirh C6&C7 disabled. The drop is not as much as with C6 and C7 enabled, but significant. Anyhow I will double check this with manual and with Hwinfo later.
post #10679 of 19539
Quote:
Originally Posted by GeneO View Post

That is interesting. I have the same board and BIOS, min=8 and max=39, and I don't see it drop with AI Suite. I have EIST on and all C-states except 6 and 7 enabled. I will have to look with HWInfo.

Quote:
Originally Posted by GeneO View Post

I get the drop when in adaptive but not manual, both wirh C6&C7 disabled. The drop is not as much as with C6 and C7 enabled, but significant. Anyhow I will double check this with manual and with Hwinfo later.

Here's how my my C-States and EIST are set:

Advanced tab --> CPU Configuration --> CPU Power Management Configuration

Enhanced Intel SpeedStep Technology - [Enabled]
Turbo Mode - [Enabled]
CPU C States - [Enabled]
Enhanced C1 State - [Enabled]
CPU C3 Report - [Enabled]
CPU C6 Report - [Enabled]
C6 Latency - [Short]
CPU C7 Report - [CPU C7s]
C7 Latency - [Short]
Package C State Support - [CPU C7s]

And like I said, I'm on a Balanced power plan in Windows. I know that the Performance plan will also keep things from downclocking.

VID, Eventual, and CPU Cache voltage all set to Manual.

Even when set manually, the voltages go pretty high above what's set in the UEFI under load.

I posted this a few pages back but I think it's interesting so here it is again:
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post #10680 of 19539
Quote:
Originally Posted by GeneO View Post

Like I said, it may not work for high overclocks, and the high overclocks may not be stable for the newer AVX instructions. I was wondering if the boost might increase wth core frequency or core voltage,

Have you tried running 1344k, 1344k with P95 82.3 or 82.4? Just wondering if it is stable.
I have profiles saved for 4.4, 4.7 and 4.8 all stable. Using prime95 version 27.9.I normally run 4.7 with all cstates enabled. I use IBT to provide thermal overhead. it is more intense than prime95 version 28 as far as heating up the cpu.

I can run adaptive on the 4.4 profile because it is at 1.28vcore but I see no need. it will push vcore thats already stable up to 1.36 or more.
Edited by Wirerat - 3/3/14 at 2:30pm
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