its in the M.I.T. Its called the system memory multiplier. There are only 4 options, Auto, 2.66, 3.33 and 4.0+. I just picked up an E5300 and the same board. I can get a stable 3.33Ghz. let me know where you end up. I've been tinkering all day. I cant get anything stable over 3.33.
nice. I'm hitting a wall @ 3.33ghz 252x13 @1.3175v. Do you have a problem with seeing correct voltage in cpu z? No matter what voltage I specify in the BIOS cpu z reads 1.25v. I think whatever is causing this is also stopping me from getting my system stable above 3.33ghz.