ram fsb is determined by cpu fsb.
i first used a p4 2.8 cpu on this board.ram only work fine in 800 fsb.
fsb to 1066 resulted in error saying
previous overclocking failed reset bios to default.something like that appears.
but with c2d e 8400 1333 fsb. ram is working fine in 1066 fsb.
i will try...