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[Official] The Sandy Stable Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 426

post #4251 of 10702
Yes I've read the P8P67 thread and some of twocables' posts, I've also read some very useful quotes from an ASUS technician who spoke about the new features with Sandy Bridge and the differences with the old platform, that's where I got my info for Spread spectrum and also some very useful info about EIST & Cstates: as you said, it doesn't affect stability BUT, while disabling C3 & C6 may in fact increase OC stability, it may considerably affect SATA performance and slow it down - I've personnaly experienced it and that's totally true; so you'll understand that I don't really care of having a stable OC if my computer is in the end significantly slower due to SATA performance being dumbed down

EDIT: Question: I happen to manage a quite stable 4.8Ghz OC. However I don't plan on running it 24/7 because I don't want to run at such high temperatures. If I manage my submission for a 4.5Ghz OC, and later, while testing, I manage to stabilize my 4.8Ghz OC and I provide you with another pic for proof of my stable 4.8, will you update my data in the spreadsheet or do you keep data once and for all?
Edited by DaGoat - 9/29/11 at 10:00am
post #4252 of 10702
Quote:
Originally Posted by DaGoat View Post
Yes I've read the P8P67 thread and some of twocables' posts, I've also read some very useful quotes from an ASUS technician who spoke about the new features with Sandy Bridge and the differences with the old platform, that's where I got my info for Spread spectrum and also some very useful info about EIST & Cstates: as you said, it doesn't affect stability BUT, while disabling C3 & C6 may in fact increase OC stability, it may considerably affect SATA performance and slow it down - I've personnaly experienced it and that's totally true; so you'll understand that I don't really care of having a stable OC if my computer is in the end significantly slower due to SATA performance being dumbed down

EDIT: Question: I happen to manage a quite stable 4.8Ghz OC. However I don't plan on running it 24/7 because I don't want to run at such high temperatures. If I manage my submission for a 4.5Ghz OC, and later, while testing, I manage to stabilize my 4.8Ghz OC and I provide you with another pic for proof of my stable 4.8, will you update my data in the spreadsheet or do you keep data once and for all?
R u saying that disabling the C states can cause SATA problems?

And Munami IS updating spreadsheet data if u get a higher OC and even if u have the same OC but voltages r different!
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post #4253 of 10702
Quote:
Originally Posted by Rops84 View Post
R u saying that disabling the C states can cause SATA problems?

This is what I read from an Asus technician, yes. Disabling Cstates may improve OC stability but may considerably affect SATA performances. I remember having read it somewhere in the first posts of this page (in a quote from an ASUS tech), I think. I'm certain that I read it but I'm not 100% certain it was in this page (although I'm quite confident).

Quote:
Originally Posted by Rops84 View Post
And Munami IS updating spreadsheet data if u get a higher OC and even if u have the same OC but voltages r different!
Good to know thanks!
post #4254 of 10702
Thread Starter 
Quote:
Originally Posted by DaGoat View Post
This is what I read from an Asus technician, yes. Disabling Cstates may improve OC stability but may considerably affect SATA performances. I remember having read it somewhere in the first posts of this page (in a quote from an ASUS tech), I think. I'm certain that I read it but I'm not 100% certain it was in this page (although I'm quite confident).

Good to know thanks!
I was under the impression the C states (C3 and C6) had something to do with the sleep function?
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post #4255 of 10702
Cstates are several levels of power saving modes. C3 and C6. I guess That's why disabling them may improve stability. But some Asus Tech said that disabling them may result in a loss of SATA performances. Mind you, I don't really understand how that goes. But I personnally experienced serious slowing down in access time when I disabled them.
post #4256 of 10702
There, I found it, it is this page indeed. 2nd post, quote hidden below TwoCable's template.

Quote from Juan Jose

"Quick note regarding options that can affect subsystem performance
It is NOT advised to make adjustments to Cstates as this can considerably affect hard drive throughput performance ( especially SATA6G SSD or Sandforce 2 based SSD ). It is recommended that all CPU power configuration states be left on their default parameters. Overclocking tests have shown internally no increase in multiplier scaling when adjusting these values. * under special cases with high multi capable CPUs and synthetic high load applications ( Linx, Prime, Occt ) it may required C states to be disabled. This has generally only been confirmed for some 51-54 multi capable CPU’s."

So in fact Cstates shall be disabled only for very high - 5.1+ OCs. I don't have an SSD with a SF controller but my Crucial M4 is indeed plugged into the SATAIII port, that's why I felt a loss of performance when disabling C3 & C6.
Edited by DaGoat - 9/29/11 at 11:28am
post #4257 of 10702
Thread Starter 
Quote:
Originally Posted by DaGoat View Post
There, I found it, it is this page indeed. 2nd post, quote hidden below TwoCable's template.

Quote from Juan Jose

"Quick note regarding options that can affect subsystem performance
It is NOT advised to make adjustments to Cstates as this can considerably affect hard drive throughput performance ( especially SATA6G SSD or Sandforce 2 based SSD ). It is recommended that all CPU power configuration states be left on their default parameters. Overclocking tests have shown internally no increase in multiplier scaling when adjusting these values. * under special cases with high multi capable CPUs and synthetic high load applications ( Linx, Prime, Occt ) it may required C states to be disabled. This has generally only been confirmed for some 51-54 multi capable CPU’s."

So in fact Cstates shell be disabled only for very high - 5.1+ OCs. I don't have an SSD with a SF controller but my Crucial M4 is indeed plugged into the SATAIII port, that's why I felt a loss of performance.
Wow that is interesting, thanks for bringing that to my attention. My ssd is currently plugged into the sataIII port and I have the cstates disabled to combat the idle / random bsod problem and from what I can gather my ssd seems to be functioning correctly, however im at 5.1ghz so c states disabled is fine for me as JJ put it. Only reason why I have it disabled is because of the idle bsod s that I use to get when it was on auto. +rep for the info.

EDIT:

How would you go about testing the SSD's performance? I'd like to see if it makes a difference if I drop my clock down to 4.5ghz.
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post #4258 of 10702
Thanks Happy to help.

EDIT

Quote:
Originally Posted by munaim1 View Post
EDIT:
How would you go about testing the SSD's performance? I'd like to see if it makes a difference if I drop my clock down to 4.5ghz.
I didn't even had to bench, I noticed that access / loading times were considerably slower when playing Crysis & Metro2033.
Edited by DaGoat - 9/29/11 at 12:23pm
post #4259 of 10702
Hi all.

Am I able to join?

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post #4260 of 10702
Thread Starter 
Add the pic as an attachment^^

Thanks
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