I have a AthlonXP 2000+ processor on an Abit NF7-S v2.0 mobo with PC2100 RAM. Everything had been working fine, but then I began having random restarts. I thought it may have been an overheating problem, but it didn't seem to be associated with times of increased processor load. Anyways, I removed the CPU and reattached it (without any change to the rest of the system). Now, however, I get the message "CPU unworkable or has been changed." And the BIOS only recognizes the CPU as and Athlon 1250MHz. I still have the BIOS set to 133 x 13.5, but it's still only running at the lower speed. When I set it to 100 x 12.5, I don't get that message anymore.
Is there anything that I can do to return my processor to its original glory? Please help.