I had my 1800+ at 200x10 at 1.5v for awhile now it was prime stable and would finish 3dmark01 nicely. I tried upping it to 2.2 and added abit more voltage didnt even break 1.6v, 2.2 didnt post so i reset cmos. after i resest i tried going back to 200x10 it boots but not stable wont even finish the lobby of 3dmark i cant understand it please help.