Able to O/C E6700 2Duo 20% with one simple change. ASUS mobo

ASUS P5N32-SLI SE Deluxe and Intel Core 2 Duo E6700 with Corsair CM2X1024-6400 2 Gig pair. I set the jumperfree to manual, set the CPU voltage to 1.375, change manual to Overclock profile and then 20%. Save changes and exit. Very stable, runs at 3200MHz at 155 degrees F under Everest stress test. Using Zalman cooler. Very spiffy! (PS tried it at 1.4875 Volts and only had a 4 degree difference F)
ASUS P5N32-SLI SE Deluxe
E6700 Core 2 Duo
Corsair CM2X-1024 6400 2GB
NVidia 8800GTX
Plextor burner
Dell 2407 monitor
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  1. At full load or idle according to what program? Temps in BIOS or software utilities? Typically, you shouldn't need that much vCore on an E6700 to reach 3.2Ghz. 8O If I clock my E6600 to 3.2Ghz, then it's stable at 1.3 vCore, and much cooler :) . If you invest the time to find the stable vCore threshold, I'm sure you'll find that 3.2Ghz requires much less voltage than you're applying. :D
  2. I am using Everest Ultimate under full load in its stress test. It shows the temperature of both cores. Everest also reports that my Vcore voltage is 1.325V (Edited!). Bios show the temp way low but that is without any load. Funny thing is that the temperature seems more related to the overclock more than the CPU voltage. Cranking up another volt only increses the temp by 4 degrees F.
  3. if you want your CPU to last longer reduce your voltage if you can.
    if it works just as well at 1.35 or 1.325v then do that instead...

    just keep lowing your voltage until your machine crashes...
    then up it again by .05v and you will have found your optimal voltage for your overclock...
  4. Quote:
    Everest also reports that my Vcore voltage is 3.25V.

    I hope you meant vCore 1.325?
  5. Yeah, I started at CPU voltage in bios at 1.475V and got down to 1.375V. AT 1.35V, it still boots but the icons come up sluggishly and some other small things tell me that it is on the edge. Seems rock steady at 1.375V. Did not see a lot of temperature difference tho between 1.475 and 1.375V tho and I was surprised at that. I would assume the heat kills the processor? Is there a safety cutoff if the processor gets too hot? I know there is something on the mobo for that so I feel OK leaving it cranked up. I am VERY surprised how easy this was. I never had a 20% jump without doing a lot of hoops with memory timing, core voltage, FSB, etc. Yeah for ASUS!
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