An updated WHQL version of NVIDIA's platform driver for nForce 4 X16 AMD and Intel based motherboards is now available for download. The nForce4 AMD Edition driver remains the same.
Windows XP/2000 Driver Versions:

* Audio driver version 4.62 (WHQL)
* Audio utility version 4.51
* Ethernet NRM driver version 5.09 (WHQL)
* SMBus driver 4.45 (WHQL)
* Network management tools version 5.09
* SMBus driver version 4.5 (WHQL)
* Installer version 4.89
* IDE SATARAID driver version 5.52 (WHQL)
* IDE SATA_IDE driver version 5.52 (WHQL)
* RAIDTOOL application version 5.52



Download: x64 version >>> http://www.nvidia.com/object/nforce_nf4_winxp64_x16_6.83

32bit version >>> http://www.nvidia.com/object/nforce_nf4_winxp32_x16_6.85