Nvidia has updated its nForce 4 SLI x16 chipset drivers for Windows XP and 2000 in both 32-bit and 64-bit incarnations of the operating systems, taking them to versions 6.85 (http://www.nvidia.com/object/nforce_nf4_winxp32_x16_6.85.html) and 6.83 (http://www.nvidia.com/object/nforce_nf4_winxp32_x16_6.85.html), respectively. The update includes what Nvidia calls "compatibility fixes", and it's tweaked a variety of driver components, including audio, Ethernet, Serial ATA, IDA and RAID. You can download the drivers here (http://nvidia.com/content/drivers/drivers.asp). ®