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How to overclock Core i7 920 with ASUS P6T Deluxe V2??

post #1 of 21
Thread Starter 
These are the specs.

-Core i7 920
-Coolermaster V8 CPU Cooler
-ASUS P6T Deluxe V2 Mobo.
-Corsair XMS3 Tri Channel 6GB 1333MHz DDR3
-Corsair 750W TX Series


I want to use the BIOS instead of the ASUS TurboV software for overclocking the 920. What are the necessary settings I need to configure in the BIOS for a stable overclocking of the 920 to around 3.XXGHz or even 4.00GHz (if my cooler is good enough)?

Thanks
post #2 of 21
Thread Starter 
BUMP...please help, I just got my system and I really want to OC it
post #3 of 21
20 x multiplier
200 BLCK

And however many required volts.

Also, that cooler's pretty crappy. Good luck with temps.
    
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post #4 of 21
Quote:
Originally Posted by meticadpa View Post
20 x multiplier
200 BLCK

And however many required volts.

Also, that cooler's pretty crappy. Good luck with temps.
That cooler isn't crappy, its just bad for the price. It'll keep up.

You may want to ease into the overclocking. Go 200bclk and like 17 multi.

Then go higher and higher while increasing the vcore incrementally.
    
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post #5 of 21
Thread Starter 
what other cooler would you recommend then??

So everytime I increase the multi, I should also increase the vcore until it wont boot up so that I know the maximum load?

until how many GHz would you recommend with the CM v8 cooler?
Edited by Acez - 6/28/09 at 12:10pm
post #6 of 21
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post #7 of 21
Quote:
Originally Posted by Acez View Post
what other cooler would you recommend then??

So everytime I increase the multi, I should also increase the vcore until it wont boot up so that I know the maximum load?

until how many GHz would you recommend with the CM v8 cooler?
The v8 is fine. You can probably reach at LEAST 3.8 with that.

And no, don't increase the vcore until it won't boot. You want it to be as low as possible. Increase until it DOES boot.
    
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post #8 of 21
Thread Starter 
I am new to this, but if I catch you right, I should increase multiplier slowly and until the PC will not boot, I increase vCore

EDIT: Should i worry anything about the RAM voltage/MHz?
Edited by Acez - 6/28/09 at 12:20pm
post #9 of 21
The first thing you wonna do when OC'ing on an ASUS MB is to disable all the energi saving/auto OC'ing functions in the BIOS.

That'll, for the P6T deluxe V2, be the Enhanced Intel SpeedStep (found in the AI tweek section of the BIOS)
And also the Enhanced Halt State aka. 'C1E' (found in the power section of the BIOS, if i remember correctly)

As a start, you could go with 20x140Mhz(BLCK) which will bring your i7 920 to 2.8Ghz (~5% OC). For this you can keep all voltage settings at auto.

Make sure your ram doesn't exceed the 1333Mhz (their rated speed) even if it means dropping them ~100Mhz. It'll decrease your memory bandwidth a tiny bit, but it's safer.
This is normaly done by setting a FSB/DRAM ratio, but on the P6T D V2 it's done by choosing the DRAM frequency corresponding to a sertain ratio.
Go for the on closest, but under the 1333Mhz marker for starters.

If you wonna up it more, increase the BLCK with a small increment (I like to start at a round number, hence the '140', and then increaseing by 2Mhz BLCK).

Keep monitoring your temps at both idle and load. (I would say keep it a couple degrees under 80°C hard load) - I use CoreDamage, let it run for at least 15min to get an idea about how high the temps will get.

When you get to the state where the CPU gets unstable (non POST'ings or crashes/BSOD's in windows), set the vCore voltage manually to the rated voltage (think it's 1.2v or 1.25 for the i7 - but check first). If that doesn't stabalize the system, up the voltage a tiny bit(1 step increments), or lower the BLCK by 1Mhz decrements till stable.

Once you've found a stable CPU OC, you can try going over the 1333Mhz Mem frequency.
Same thing goes here, as with the CPU, for unstablility. ->BUT!<- Never exceed 1.65v as i understand it can damage the CPU.


Anyways - OC'ing is an art, there are so many ways to it. Eventually you'll probably find your own way, but untill that i hope this has been helpfull.

Good luck dude, and happy OC'ing!
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T3h R1g[FTW]
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post #10 of 21
Thread Starter 
thank you very much NorthwoodPecker, your response seems to be really helpful, but just to clarify one thing, for the RAM's speed 1333MhZ, if possible should I go all the way to that or keep it under 1333mHz
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