Product Description
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1.8 Audio Subsystem
The boards support the Intel High Definition audio subsystem based on the Realtek ALC860 codec.
The audio subsystem supports the following features:
• Advanced jack sense (front and rear panel) that enables the audio codec to recognize the device
that is connected to an audio port. All jacks are capable of retasking according to user’s
definition, or can be automatically switched depending on the recognized device type.
• Stereo input and output for all jacks
• A signal-to-noise (S/N) ratio of 90 dB
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INTEGRATOR’S NOTE
For the front panel jack sensing and automatic retasking feature to function, a front panel daughter
card that is designed for Intel High Definition Audio must be used. Otherwise, an AC ’97 style
audio front panel connector will be assumed and the Line Out and Mic In functions will be
permanent.
1.8.1 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
1.8.2 Audio Connectors
The boards contain audio connector on both the back panel and the component side of the board.
The front panel audio connector is a 2 x 5-pin connector that provides mic in and line out signals
for front panel audio connectors.
For information about Refer to
The location of the front panel audio connector Figure 16, page 48
The signal names of the front panel audio connector Table 17, page 49
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