Asus P9D WS - Manual (Page 18)

1-6 Chapter 1: Product Introduction
Chapter 1
ASUS CrashFree BIOS 3
ASUS CrashFree BIOS 3 allows you to restore a corrupted BIOS file from a USB
storage device containing the BIOS file.
IEEE 1394a interface
IEEE 1394a interface provides high speed digital interface for audio/video devices such as
digital television, digital video camcorders, storage peripherals and other portable devices.
S/PDIF-out on Back I/O Port
This motherboard provides the coaxial and optical S/PDIF out ports for convenient
connectivity to external home theater audio systems and for high-quality digital audio
experience.
ASUS Crystal Sound
8 Channel Audio Codec
The onboard 8-channel HD audio (High Definition Audio, previously codenamed
Azalia) CODEC enables high-quality Absolute Pitch 192khz/24bit audio output, true
BD lossless sound, jack-sensing feature, retasking functions, and multi-streaming
technology.