Just installed 4gb crucial mem DDr2 800 PC2 6400... upgraded from kingston 667 i believe... well now with no OC'ing whatsoever i try and run 3dmark06 and I get BSOD related to secondary processot didnt recieve clock blah blah blah... i changed voltage to 2.1 but it says needs 2.2 would this have this effect? my mobo wont allow it to go higher than 2.1 i have the 570 sli from biostar if yall have any suggestions..