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Help me get over 344 frequency with my ASUS P5KPL-CM

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Bulldogging

New Member
Joined
Sep 10, 2008
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131288&Tpk=p5kpl

E7200, Gskill Ram stable at DDR2 1000, Corsair 620 PSU. I also have a 4850 in it and the onboard is disabled.

Here is the problem. The Mobo says it supports 1600 FSB(400 frequency). It has limited voltage options.

Voltage options

vdimm= 1.8, 2.0, 2.25
CPU PLL= 1.5, 1.6
FSB Termination= 1.2, 1.3
NB Voltage= 1.25, 1.4

With the exception of Vdimm, everything is MAX.

It is rock solid stable up to and including 344. 345 or higher it will not post. I've found 2 other G31 mobos of different brands that have the same 344 wall. The ASUS, though, seems to have more voltage options and is exclaimed to support 1600 FSB.

The CPU and RAM are both not stopping it. It is 100% the mobo as far as I can tell. I've disabled the Serial connections and the onboard GPU. I've tried it with them enabled also.

I must be missing something. Any suggestions would be appreciated, this board is hurting my combo.
 
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