I dont know how A-Grey and Mikeyakame are able to run such a low NB voltage for their FSB OCs. I recently upgraded to a Q9650 and am running 467 FSB x9 at 4.2GHz 16+ hrs stable Prime95 with the following voltages in bios:
vcore: 1.33v
PLL: 1.54v
NB: 1.69v (as tRD of 9 I can lower it to 1.65v)
DRAM: 1.98v (They are rated for 2.1v, but runs table as 2x2Gb at 1.8v and 4x2Gb at 1.94v)
FSB Term Volt: 1.38v (but Hardware Monitor in bios and Everest report it as 1.26v)
LLC: disabled
CPU GTL: x.63
NB GTL: x.67
Spread spectrums disabled
Running DDR2 934 5-4-4-12 45
Ai Clock Twister at moderate
Transaction Booster at 8
But as soon as I drop the NB voltage to 1.67, one core fails. My NB temps never go above 42°C, but I hate running the voltage so high.
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