Thanks for the link.

I got my cpu small FFT's stable tonight in Orthos with the following settings:

Multiplier 9
FSB strap 400
FSB 450
PCIE 100
DRAM 1350
Timings 7-7-7-20-2N

Static Read disabled
Dynamic Write disabled
DRAM CLK Skew auto

AI clock twister auto
Transaction booster auto

vCore 1,46
CPU GTL 0/2 auto
CPU GTL 1/3 auto
CPU PLL 1,60
VTT 1,28
vDRAM 2,00
vNB 1,65
NB GTL 0,61
vSB auto

Load Line Cal. performance
CPU spread disabled
PCIE spread disabled
CPU Clock Skew 300ps
NB Clock Skew 200ps

All energy saving stuff is disabled.