Asus has released new drivers for their Nvidia series of cards version 31.42 for Windows 2000 / XP.

Download Asus 31.42 Windows 2000 / XP Support Windows 2000/XP for V3800, V6600, V7100, V7700, V8170, V8200, V8440, V8460, V9180 series. V3800 doesn't support WinXP.