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Old 08-10-09, 01:12 PM   #5
911medic
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Join Date: Jun 2004
Location: Near Minneapolis, MN
Posts: 715
Default Re: P45 Overclocking Help

Quote:
Originally Posted by TheBigOne View Post
Undervolted the NB to 1.25V
Set multiplier to x8 at 1500 fsb 3Ghz or try x9
1.35V vcore anything higher is going to overheat and cause electromigration
Get better ram with 4-4-4-12 and set to 5-5-5-18, you have more headroom.
Had the Q9650 at 4.0 ghz stable
Getting different RAM's not an option, unfortunately. If it turns out to be impossible to get back to 3GHz with what I have, I'll have to live with something slower. I may consider Dr. Nick's suggestion to run only 4GB, if I have to, but I can't switch to something else entirely.
My temps at 1.4v have been OK. Mid-30's idle, mid-60's during P95. This is in a 76F room, so I don't think they're terrible...
I'll try lowering the MCH voltage to 1.25v, but stock is 1.10v so I don't know if I could call it "undervolting." I'll also play around with the multi/FSB some and see if I have success w/lower multipliers.
Thanks.
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