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Stable at 4.2Ghz, but I Cannot Stay Stable At 4.3Ghz

post #1 of 19
Thread Starter 
right now i have my i7 860 @ 4.2Ghz with HT off, with all the power saving features off. and i'm stable on prime95 for 8 hours what do i need to change on my setting to archive 4.3ghz

Here's my setting now
CPU Volt - 1.33125
IMC Volt - 1.3
DRAM Volt - 1.5
QPI Volt - 1.8

any advice to how to get stable at 4.3ghz
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post #2 of 19
Thread Starter 
anyone, cause i try everything or maybe i'm not doing something right.
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post #3 of 19
Do you need 4.3?
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post #4 of 19
you could bump your cpu voltage a notch or two. But I would check what the max safe voltage is for that cpu. What are your temps like at load? Your ram may need more volts also. what is the voltage specced for your ram kit? (mine states 1.65v) it should be visible on the sticker on the ram.
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post #5 of 19
Thread Starter 
yeah i try to see what's the max my cpu could go, then if the temps goes above 80 then i clock it down back to 4.2ghz.

@bob808 the max voltage for that cpu is 1.4
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post #6 of 19
VCore.
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post #7 of 19
Thread Starter 
@LeathalRise750, what do u mean by VCore.
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post #8 of 19
Quote:
Originally Posted by AWESOME_3_SOME View Post
@LeathalRise750, what do u mean by VCore.
vcore is ur cpu core voltage
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post #9 of 19
you may need more voltages so your cpu can cycle quicker
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post #10 of 19
Though we have slightly different processors, mine takes 1.34v under load to stay rock solid at 4.2ghz.

I would guess Vcore, as has been said. You can try tweaking the PLL and VTT. Unless the 860 is drastically different, I would see what 1.35 QPI (VTT) gets you. Too much can actually make it unstable.
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