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Can't hit 4.1Ghz? i7 920

post #1 of 25
Thread Starter 
My CPU voltage is at 1.26 in bios. 1.23 in windows. All over voltage settings on auto. If i increase vcore over 1.28 in the bios, my system becomes extremely highly unstable for some reason. I get 67-71c full load via intel IBT Max! 50c in games.
(All above applies to the current overclock of 4GHz)

So what should i tweak to hit the good old 4.1GHz?
__________________________________________________ ______________
19x211
Uncore 15 (I know it should be 12 or 13, but 15 gives me a good performance boost and it's stable!)
memory multi 6
memory at 1260 underclocked sadly
vcore 1.26
all over settings auto!
__________________________________________________ ______________

Cheers everyone!
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post #2 of 25
You're definitely going to need to bump your QPI volts at 211bclk. No way that's going to be stable if you don't, and auto won't do it right. Also, why not 195x21?
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post #3 of 25
What errors / BSOD messages are you getting?
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post #4 of 25
Thread Starter 
Quote:
Originally Posted by Lampen View Post
What errors / BSOD messages are you getting?
blue screen. After reboot, i get the error message eveyone gets if a OC is unstable. Can't remember the code. File path was something like temp or dump? Not sure mate.
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post #5 of 25
Thread Starter 
Quote:
Originally Posted by SgtHop View Post
You're definitely going to need to bump your QPI volts at 211bclk. No way that's going to be stable if you don't, and auto won't do it right. Also, why not 195x21?
Trying to get my memory to 1333 or higher.
Edit: How far do i need to bump up the QPI and QPI PLL?
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X79-GCN
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post #6 of 25
Quote:
Originally Posted by BradleyW View Post
blue screen. After reboot, i get the error message eveyone gets if a OC is unstable. Can't remember the code. File path was something like temp or dump? Not sure mate.
I assume you have autorestart disabled on BSOD?

If not:

http://pcsupport.about.com/od/window...-windows-7.htm

What's your QPI v currently at?
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post #7 of 25
Thread Starter 
Quote:
Originally Posted by Lampen View Post
I assume you have autorestart disabled on BSOD?

If not:

http://pcsupport.about.com/od/window...-windows-7.htm

What's your QPI v currently at?
I have no idea. It's left on auto, everything is at auto except vcore.
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X79-GCN
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post #8 of 25
Quote:
Originally Posted by BradleyW View Post
I have no idea. It's left on auto, everything is at auto except vcore.
Alright I'd say disable BSOD autorestart, force it to crash and let us know what the code is so we can determine the problem a little easier.
Singularity
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post #9 of 25
BSOD Codes for i7

0x101 = increase vcore
0x124 = increase/decrease vcore or QPI/VTT...have to test to see which one it is
0x0A = unstable RAM/IMC, increase QPI first, if that doesn't work increase vcore
0x1E = increase vcore
0x3B = increase vcore
0xD1 = QPI/VTT, increase/decrease as necessary
0x9C = QPI/VTT most likely, but increasing vcore has helped in some instances
0x50 = RAM timings/Frequency or uncore multi unstable, increase RAM voltage or adjust QPI/VTT, or lower uncore if you're higher than 2x
0x116 = Low IOH (NB) voltage, GPU issue (most common when running multi-GPU/overclocking GPU)
0X109 = Not enough or too Much memory voltage

hope these help
post #10 of 25
Thread Starter 
Quote:
Originally Posted by Lampen View Post
Alright I'd say disable BSOD autorestart, force it to crash and let us know what the code is so we can determine the problem a little easier.
I will do this later today. Need sleep. I will try and bump up QPI voltage first and see if that helps. If it does not, i will disable reboot and write the error code down. btw, after reboot bsod, windows brings up a tiny window giving me all the info about the crash including error code ect.
X79-GCN
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Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
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XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
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EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
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X79-GCN
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Hard DriveCoolingCoolingCooling
Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
CoolingCoolingCoolingCooling
XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
CoolingCoolingCoolingOS
EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
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