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How do these voltages look for i7 920 @ 4.2ghz *Solved?* - Page 2

post #11 of 68
Quote:
Originally Posted by Drakenxile View Post
the difference in volatage from a 930 to 920 is huge wow i'm running stable a 4ghz one step over stock voltage
Im running 4.0 stable on a 920 at 1.248
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post #12 of 68
Thread Starter 
I know that I had 3.9ghz stable at 1.30v.

And I would like to say that mine runs at 1.28v at stock, so running that low would be quite impossible with an overclock... Now that I think about it, I think I lazily did 4.0ghz at around 1.35 because I was getting frustrated. 4.0ghz was when I had to start messing with my QPI, DIMM and VTT voltages to find stability, so testing out my VCore a step at a time took the back burner.

However, if 4.2ghz is failing at this VCore, should I up it another notch? Or, should I look into different settings for my memory?

From what I recall reading, failing the 8k test in Prime 95 was an issue with the CPU voltages, whereas failing teh 1024k units was an issue with memory? This would lead to my thoughts about raising the CPU VCore.

I just failed ITB during my 6th run now... :\\
Edited by stu. - 1/12/11 at 8:04pm
 
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post #13 of 68
Seems like to much vcore i would think you could get 4200 with 1.30-1.35 max safe that i will use is 1.41 vcore other go higher i like to keep it under that. Nice temps but cpuid hardware mon lies on them by 4c real temp,coretemp,speedfan will show about 4-5c higher.
Edited by Bal3Wolf - 1/12/11 at 8:05pm
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post #14 of 68
Thread Starter 
Quote:
Originally Posted by Bal3Wolf View Post
Seems like to much vcore i would think you could get 4200 with 1.30-1.35 max safe that i will use is 1.41 vcore other go higher i like to keep it under that.


I'm already at 1.27V stock. :\\ This is with everything in my mobo turned to default (minus the power saving options)
 
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post #15 of 68
Quote:
Originally Posted by stu. View Post


I'm already at 1.27V stock. :\\ This is with everything in my mobo turned to default (minus the power saving options)
Ouch then you got a crappy cpu i guess you might shoot for 4ghz or 4.1 100-200mhz wont me much in games.
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post #16 of 68
Thread Starter 
I'm an avid folder, and squeezing everything that I possibly can out of my CPU is my goal.

I really do not want to settle. I realize that when I started this journey with my C0 to 4.2 that it was going to be a struggle.

Therefore, as I previously asked, am I correct with my diagnosis of the failure? I'm okay bumping up the VCore more. I have adequate cooling, and some headroom. The VCore is good until 1.45 and temps are fine around 80, so would that be my best bet?
 
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post #17 of 68
Whats your vtt and cpu pll at? Mine takes 1.27 vtt and 1.88 pll. You could go to 1.34 vtt and 1.88 cpu pll.

DO NOT go over 1.90 pll. Try to keep it at 1.88 or less.
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post #18 of 68
I think your OC is fine. Leave the Vcore as it is, your temps don't look like they're becoming dangerous. A 1.41 Vcore is high, but with your cooler, it looks like you'll be fine. Job well done so far.
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post #19 of 68
Quote:
Originally Posted by Yoshi864 View Post
I think your OC is fine. Leave the Vcore as it is, your temps don't look like they're becoming dangerous. A 1.41 Vcore is high, but with your cooler, it looks like you'll be fine. Job well done so far.
He's having stability issues now though
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post #20 of 68
What i do to get my clocks stable is run ibt for 25 runs then fold if it passes. If you get a bsod in 124 its a qpi needing more volts any other error usualy means vcore.
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