Asus P5K Premium/WiFi-AP - Manual (Page 140)

5-30 Chapter 5: Software support
B. SoundMAX
If you are using Windows XP operating system, from the taskbar, double-click the
SoundMAX ® icon to display the SoundMAX ® Control Panel.
Audio Setup Wizard
By clicking the icon from the SoundMAX ® control panel, you can easily
configure your audio settings. Simply follow succeeding screen instructions
and begin enjoying High Definition Audio.