Quote Originally Posted by GLENBOY View Post
anybody else have trouble using higher dividers when booting in at 600fsb, can only use the lower memory dividers giving between 1200mhz-1500mhz on the ram no matter what voltages set, i've had the ram running at 1900+mhz on the maximus i had but at a lower fsb
Try 400 strap and loads more voltage on the rams, did the trick for me.

If you don't want to push Vdimm too much, try Cas 8