WinXP Sound driver for Asus CUSL2-M mobo? (AD1881 SoundMAX)

[JEDI]

The Asus website only has sound drivers for Win2k and below.

http://support.asus.com/download/download.aspx?SLanguage=en-us

when i run Winamp v5.1, i get error msg: Bad directsound driver

Where to get WinXP sound drivers for Asus CUSL2-M mobo?

THX!