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ASUS P8P67 Pro/2600k Head Scratcher

post #1 of 25
Thread Starter 
Currently running on Bios ver. 1204 (the latest one). Here's my issue: I had all the 'speedstep' crap turned off (c1e, c3/c6)...but forgot EIST. The system ran fine, 12 hours of problem free prime95 until I stopped it manually. I go back into the bios and notice EIST is still one, turn it off...and I BSOD now almost on every windows boot. Furthermore, originally all I would have to do is turn off EIST/C1E and the cpu would not throttle...however now (even before the bios update), it will still throttle unless I turn off c3/c6. I heard that OCing is more stable with speed step on, but have also heard that his is a prob. only with ASUS boards. I'd like to run the cpu at a constant speed without fluctuating multiplier/voltages. Any help would be great.
Edited by Faksnima - 1/30/11 at 8:11am
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post #2 of 25
you do know that turbo overclocking is the way these boards are meant to be oced right? I suggest putting everything back to stock then just upping the cpu turbo multiplier and the vcore as necessary.

Also I see that your bios is listed not as beta but keep in mind it was beta the other day and had lots of bugs. Guess they sorted them out.
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post #3 of 25
Thread Starter 
Ok, cranked down the vcore to 1.375 @ 4.6ghz. Ran small ffts for 5 hours, no sweat. Turned it off, put on blended - BSOD 30 minutes or so in. Earlier it survived hours of small fft and bsod'd on web surfing. All C-States and speed step are off right now. I thought it might be the ram, so I've changed ram from 'auto' to ddr 1333, even though it's been recognized as such. Didn't mess with the timings manually as they seem correct.

I'm thinking about returning the ram, if it is the culprit.

This is the ram I have: http://www.newegg.com/Product/Produc...-333-_-Product

This is what I'm thinking of switching to: http://www.newegg.com/Product/Produc...-426-_-Product

Thoughts?
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post #4 of 25
Quote:
Originally Posted by Faksnima View Post
Ok, cranked down the vcore to 1.375 @ 4.6ghz. Ran small ffts for 5 hours, no sweat. Turned it off, put on blended - BSOD 30 minutes or so in. Earlier it survived hours of small fft and bsod'd on web surfing. All C-States and speed step are off right now. I thought it might be the ram, so I've changed ram from 'auto' to ddr 1333, even though it's been recognized as such. Didn't mess with the timings manually as they seem correct.

I'm thinking about returning the ram, if it is the culprit.

This is the ram I have: http://www.newegg.com/Product/Produc...-333-_-Product

This is what I'm thinking of switching to: http://www.newegg.com/Product/Produc...-426-_-Product

Thoughts?
Asus boards require C3/C6, EIST, Turbo to be on.
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post #5 of 25
Quote:
Originally Posted by Faksnima View Post
Ok, cranked down the vcore to 1.375 @ 4.6ghz. Ran small ffts for 5 hours, no sweat. Turned it off, put on blended - BSOD 30 minutes or so in. Earlier it survived hours of small fft and bsod'd on web surfing. All C-States and speed step are off right now. I thought it might be the ram, so I've changed ram from 'auto' to ddr 1333, even though it's been recognized as such. Didn't mess with the timings manually as they seem correct.

I'm thinking about returning the ram, if it is the culprit.

This is the ram I have: http://www.newegg.com/Product/Produc...-333-_-Product

This is what I'm thinking of switching to: http://www.newegg.com/Product/Produc...-426-_-Product

Thoughts?
dude you have to understand..you settings in bios all messed up
this may help you a bit
http://www.clunk.org.uk/forums/overc...beginners.html
http://www.xtremesystems.org/forums/...d.php?t=265228
http://www.xtremesystems.org/forums/...d.php?t=265477

EDIT; you need 1600 , 1866 , CL7 or 8 RAM or 2133 CL9 for good OC
Edited by coolhandluke41 - 1/30/11 at 8:20pm
    
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post #6 of 25
Thread Starter 
I thought the latest bios revisions fixed it so you can infact keep the turbo boost speed constant without fluctuating. ASUS is still requiring this? Additionally, I was under the impression that sandy bridge overclocked INDEPENDENTLY to ram speeds.
Edited by Faksnima - 1/30/11 at 8:32pm
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post #7 of 25
Quote:
Originally Posted by LethalRise750 View Post
Asus boards require C3/C6, EIST, Turbo to be on.
Is that so? I have Turbo, C3 and C6 Enabled but EIST Disabled and I still can OC to 5Ghz (50x100) no problem.
post #8 of 25
Thread Starter 
1.) I was under the impression Sandy Bridge overclocked independently of RAM speed.
2.) From what I understand you can disable c-state and speedstep after 1053 and maintain a NON-fluctating vcore/cpu frequency. I've been able to boot into windows and run prime95 for hours on end at 4.6, 4.7, and 4.8ghz. I will bsod randomly after I turn off prime, sometimes during it.

Now if this is indeed the case, and ASUS still hasn't remedied this issue (as other board manufacturer's allow simple multiplier overclocking), is anyone running their overclock on an asus board with c-states and EIST disabled? Additionally I've noticed C3/6 still result in fluctuating CPU frequency regardless of EIST/C1E.

The BSOD's are extremely irritating. How can I diagnose them?
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post #9 of 25
1. You are right, you can have whatever Ram speed you want.
2. No I've never heard of this. I've been following Asus rep @ xtremesystems.org(I'm from there, new to this forum ) and I know for the fact that you have to enable all C states and Speedstep enabled to have stable OC.

P.S. If you have random BSOD with settings that you think is stable, then you need to patch your windows with this file that Asus rep provided at xtremesystems.org

P.S.2 Where did you get this idea that it is only Asus that requires C states and ESIT enabled? It is specific to all SBs, you can't expect to get any stable OC without those with all different mobos, not just Asus.
post #10 of 25
I have the exact same mobo/cpu and your voltage seems little high for 4.6
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