Maybe this has already been posted, but I have had tons of problems with my AMD Athlon TBird, Win 2000, and Geforce card. The computer always locks up on me. So I found this patch on AMD's website....I thought others might be interested.
http://www.amd.com/products/cpg/athlon-duron/amd_win2k_patch.html
http://www.amd.com/products/cpg/athlon-duron/amd_win2k_patch.html