right but what are you current levels for:

NB=
PLL=
FSB Term=
etc.

For 8.5x400 on my system for example:

266/667 MHz Strap
CPU Vcc=1.12500
NB Core=1.370
CPU VTT=1.310

2x 2Gb @ 5-5-5-15 (performance level 6) @ 1,000 MHz (4:5) @ 2.100V