Intel Desktop Board DH57DD Technical Product Specification

Product Description
21
1.11 Audio Subsystem
The board supports Intel High Definition Audio through the Realtek ALC889 audio
codec as well as through the HDMI interface.
The ALC889-based audio subsystem supports the following features:
• Advanced jack sense for the back panel audio jacks that enables the audio codec to
recognize the device that is connected to an audio port.
• Stereo input and output via back panel jacks
• Headphone and Mic in functions for front panel audio jacks
• 108 dB Signal-to-Noise ratio (SNR) playback (DAC) quality and 104 dB SNR
recording (ADC) quality
• Content Protection for Full Rate loss-less DVD Audio and Blu-ray Disc* audio
content playback (with selected versions of media player software)
The audio subsystem supports the following audio interfaces:
• 7.1 analog back panel audio connectors
• Optical S/PDIF-out audio connector
• S/PDIF header (support for optical or coaxial S/PDIF output)
• Front panel audio header with support for Intel HD Audio and AC ‘97 audio
• Intel High Definition Audio link header
NOTE
Systems built with an AC ‘97 audio front panel will not be able to obtain the Microsoft
Windows Vista logo.
Table 6 lists the supported functions of the front panel and back panel audio jacks.
Table 6. Audio Jack Retasking Support
Audio Jack
Micro-
phone
Head-
phones
Front
Speakers Line In
Side
Surround
Rear
Surround
Center/
Sub
FP Green Default
FP Pink Default
Rear Blue Default
Rear Green Ctrl panel Default
Rear Pink Default
Rear Black Default
Rear Orange Default
1.11.1 Audio Subsystem Software
Audio software and drivers are available from Intel’s World Wide Web site.
For information about Refer to
Obtaining audio software and drivers Section 1.3, page 14