Download WCPUID from guru3d.com and let us know what the three numbers that make up the CPU family are. It will either be 6-8-1 or 6-8-0 most likely. If it's anything other than 681, you might as well not bother, because until the TBred B core, the XP's couldn't overclock well. if it is 681, then you're in business. Your memory and motherboard are near their max running FSB [System Clock] @ 133 (266). If you can get that up to appx 145, that's pretty good. Then try to raise the multiplier. Keep in mind that you are risking blowing up your CPU and other components. If your CPU will post, but windows won't load add more vcore (up to 1.7-1.8). If your CPU Temps. go above about 55-60 degrees celsius you'll need better cooling. This concludes intro to overclocking your Athlon XP.<P ID="edit"><FONT SIZE=-1><EM>Edited by justaguy on 10/10/03 04:07 PM.</EM></FONT></P>