Audio Subsystem; Audio Subsystem Software; Audio Connectors; Table 4. Audio Jack Retasking Support - Intel BLKDG31GL Technical Product Specification

1.9

Audio Subsystem

The board supports the Intel High Definition audio subsystem based on the Realtek
ALC268-GR audio codec. The 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. The back panel audio
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 back panel jacks
• Line out and mic in functions for front panel audio jacks
• A signal-to-noise (S/N) ratio of 95 dB
Table 4 lists the supported functions of the front panel and back panel audio jacks.

Table 4. Audio Jack Retasking Support

Audio Jack
Front panel – Green
Front panel – Pink
Back panel – Blue
Back panel – Green
Back panel – Pink
1.9.1

Audio Subsystem Software

Audio software and drivers are available from Intel's World Wide Web site.
For information about
Obtaining audio software and drivers
1.9.2

Audio Connectors

The board contains audio connectors/headers on both the back panel and the
component side of the board. The front panel audio header provides mic in and line
out signals for the front panel.
For information about
The location of the front panel audio header
The signal names of the front panel audio header
The back panel audio connectors
Supports Supports
Microphone? Line Out?
No Yes
Yes No
No No
No Yes
Yes No
Product Description
Supports
Supports Front Speaker
Line In? Headphones?
No
No
Yes
No
No
Refer to
Section 1.2, page 15
Refer to
Figure 10, page 42
Table 11, page 44
Section 2.2.1, page 41
Yes
No
No
Yes
No
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