This Win2K/XP nForce (MCP55) driver package consists of the following components:

Ethernet Driver MCP55 (v55.21) "WHQL"
Network Management Tools MCP55 (v55.23)
SMBus Driver (v4.52) "WHQL"
Installer (v5.05)
WinXP IDE SataRAID Driver (v6.66) "WHQL"
WinXP IDE SataIDE Driver (v6.66) "WHQL"
WinXP RAIDTOOL Application (v6.63)