VIA Arena has posted a new VIA AGP driver for Windows 9X/ME, Windows 2K/XP. Information from the release document about this driver: Provides an enhanced AGP driver for Windows XP. Fixes some information strings to pass some driver verification tools published by 3rd party companies. Supports the AGP function in VIA P4X series North Bridge Chips. Certified for Windows XP in the INF file.

Pick it up on their site here.