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1.10 Audio Subsystem
The onboard audio subsystem consists of the following:
• Intel 82801IR (ICH9R)
• IDT STAC9271D audio codec
• Back panel audio connectors
• Component-side audio headers:
⎯ Intel
®
High Definition Audio front panel header
⎯ HD audio link header
The audio subsystem supports the following features:
• Dolby Home Theater support
• A signal-to-noise (S/N) ratio of 95 dB
• Independent multi-streaming 7.1 audio (using the back panel audio connectors)
and stereo (using the Intel High Definition Audio front panel header).
• ADAT support from the back panel optical S/PDIF port
NOTE
The use of AC 97 front panel headers is not recommended for use with Microsoft
Windows Vista.
Table 5 lists the supported functions of the front panel and back panel audio jacks.
Table 5. Audio Jack Retasking Support
Audio Jack
Supports
Line in?
Supports
Line out?
Supports
Microphone?
Supports
Headphones?
Front panel – Green No Yes No Yes
Front panel – Pink No No Yes No
Back panel – Blue Yes Yes No No
Back panel – Green No Yes No Yes
Back panel – Pink No No Yes No
Back panel – Black No Yes No No
Back panel - Orange No Yes No No