Well im currently underclocking my FSB because when i turn it up to the supposedly stock speed of 200 i get an error when i run prime95 quite fast. I cannot change my multiplier because its not in my bios so thats out of the question, im currently running at 195 fsb and it gets no error in the prime95, i was hopping to overclock it because i just bought a new cpu fan etc. but i cannot even run at full stock.