P4B266-C w/ high fsb, but low mem : cause? dividers?

[dowxp]

im not sure how all things work, but i can hit 166 fsb on my 1.6 but normaly i run 2.4 default since i dont want my northy dying on me. but i just saw oldfart's mem score at ~3k and im at 2300, www.ghg.net/shukuo/p4/ im not home right now but i noticed that my sandra didnt report the spd of the mem. also, im almost sure that the divider was set at 1/1 .. but yet.. i noticed when i go to 133fsb that my mem score is higher.. hrm.. ?