Asus P5K3 Premium/WiFi-AP - Manual (Page 129)

ASUS P5K3 Premium 5-25
5.3.10 SoundMAX ® High Definition Audio utility
The ADI AD1988B High Definition Audio CODEC provides 8-channel audio
capability through the SoundMAX ® audio utility with AudioESP™ software to
deliver the ultimate audio experience on your PC. The software implements high
quality audio synthesis/rendering, 3D sound positioning, and advanced voice-input
technologies.
Follow the installation wizard to install the ADI AD1988Bs Audio Driver from the
support DVD that came with the motherboard package to activate the SoundMAX ®
audio utility.
If the SoundMAX ® audio utility is correctly installed, you
will find the SoundMAX ® icon on the taskbar.
You must use 4-channel, 6-channel or 8-channel speakers for this setup.