Product Description
29
1.7
Audio Subsystem
The onboard audio subsystem consists of the following:
•
Intel 82801HB ICH8
•
Sigmatel STAC9227 audio codec
•
Back panel audio connectors
•
Component-side audio headers:
⎯
Front panel audio header
⎯
HD audio link header
The audio subsystem supports the following features:
•
Advanced jack sense for the front/back panel audio jacks that enables the audio
codec to recognize the device that is connected to an audio port. Within hardware
constraints, the back panel audio jacks are capable of retasking according to the
user’s definition, or can be automatically switched depending on the recognized
device type.
•
A signal-to-noise (S/N) ratio of 95 dB
Table 5 lists the supported retasking 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
Yes
Yes
No
Yes
Front panel – Pink
Yes
No
Yes
No
Back panel – Blue
Yes
Yes
No
No
Back panel – Green
No
Yes
No
Yes
Back panel – Pink
Yes
Yes
Yes
No
1.7.1
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 1.2, page 15