i7 860

Just got this GA p55a-ud7 and an i7 860. First run with this platform I figured out the QPI but is there any other voltage that is relative when going up the scale? I got this far but the core volts seem a bit high to me but maybe I don't know any better. For some reason CPUz report up to a x26 multi but I can't get it to go past 21 which I think is stock. Says I can have 22 in BIOS but it never sticks when I save it. Guess i just want a bit of input/experience for limitations.

i7 860 @ 4400 MHz 1.47v
QPI ~3800 @ 1.3v
Mem 2100 8-9-8

Adjusting PLL might give you a little more MHz. Are you running dual channel or did it drop one?

It says it's dual, just 2x2Gb sticks. I was wondering if I upped the QPI volts a bit if I could drop the core volts.