@Andilist:
Yes im running without the OCZ booster right now. No luck, even with 3/2 ram divider at 266fsb(177Mhz ram), I get mem errors and blend test is unstable.
@Pajaa:
I had my mem running at 240Mhz 1/1 with fsb, it ran ok. Blend test sort of stable for 1 hour, but I think I had too little...