Hi John
I went to the nVidia website and typed in 176 in the Search Field and it came up with a driver for the Quadro 176
Quadro Release 176 WHQL
Version: 176.04
Release Date: July 11, 2008
Operating System: Windows XP/2000
Language: U.S. English
File Size: 34.9 MB
http://www.nvidia.com/object/winxp_176.04.html
Is that the one you want?
Also some more older stuff here:
http://www.nvidia.com/object/winxp-2k_archive.html
Cheers
Dennis