Audio Subsystem; Audio Subsystem Software; Audio Subsystem Components; Audio Jack Support - Intel DX79TO Specification

Intel Desktop Board DX79TO Technical Product Specification
1.9

Audio Subsystem

The board supports the Intel High Definition Audio subsystem based on the Realtek
ALC892 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 the 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 90 dB
•
Table 5 lists the supported functions of the front panel and back panel audio jacks.
Table 5. Audio Jack Support
Micro-
Audio Jack phone
FP Green
FP Pink Default
Rear Blue
Rear Green
Rear Pink Default
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 Subsystem Components

The audio subsystem includes the following components:
• Intel X79 Express Chipset
Realtek ALC892 audio codec
•
• Front panel audio header that supports Intel HD audio and AC '97 audio (a 2 x 5-
pin header that provides mic in and line out signals for front panel audio
connectors) (yellow)
3-port analog audio input/output stack on the back panel
•
The back panel audio connectors are configurable through the audio device drivers.
The available configurable back panel audio connectors are shown in Figure 4.
24
Head- Front
phones Speaker
Default
Ctrl panel Default
Side
Line In Surround
Default
Ctrl panel
Refer to
Section 1.3, page 16