Intel D845GVFN Product Specification - Page 29

Audio Subsystem - audio driver

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Product Description 1.10 Audio Subsystem The audio subsystem consists of the following devices: • Intel 82801DB I/O Controller Hub (ICH4) • Realtek ALC202A audio codec The audio subsystem includes these features: • Signal-to-noise ratio ≥ 90 dB • Supports wake events (driver dependent) • Mic in pre-amp that supports dynamic, condenser, and electret microphones The audio subsystem supports the following audio interfaces: • Optional ATAPI-style connectors: ⎯ Auxiliary line in ⎯ CD-ROM • Front panel audio connector, including pins for: ⎯ Line out ⎯ Mic in • Back panel audio connectors: ⎯ Line out ⎯ Line in ⎯ Mic in 1.10.1 Audio Connectors 1.10.1.1 Front Panel Audio Connector A 2 x 5-pin connector provides mic in and line out signals for front panel audio connectors. For information about The location of the connector The signal names of the front panel audio connector Obtaining the Front Panel I/O Connectivity Design Guide Refer to Figure 5, page 48 Table 21, page 49 Section 1.5, page 15 NOTE The front panel audio connector is alternately used as a jumper block for routing audio signals. Refer to Section 2.9.1 on page 56 for more information. 1.10.1.2 Auxiliary Line In Connector (Optional) An optional 1 x 4-pin ATAPI-style connector connects the left and right channel signals of an internal audio device to the audio subsystem. For information about Refer to The location of the auxiliary line in connector Figure 5, page 48 The signal names of the auxiliary line in connector Table 22, page 49 29

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Product Description
29
1.10 Audio Subsystem
The audio subsystem consists of the following devices:
•
Intel 82801DB I/O Controller Hub (ICH4)
•
Realtek ALC202A audio codec
The audio subsystem includes these features:
•
Signal-to-noise ratio
≥
90 dB
•
Supports wake events (driver dependent)
•
Mic in pre-amp that supports dynamic, condenser, and electret microphones
The audio subsystem supports the following audio interfaces:
•
Optional ATAPI-style connectors:
⎯
Auxiliary line in
⎯
CD-ROM
•
Front panel audio connector, including pins for:
⎯
Line out
⎯
Mic in
•
Back panel audio connectors:
⎯
Line out
⎯
Line in
⎯
Mic in
1.10.1
Audio Connectors
1.10.1.1
Front Panel Audio Connector
A 2
x
5-pin connector provides mic in and line out signals for front panel audio connectors.
For information about
Refer to
The location of the connector
Figure 5, page 48
The signal names of the front panel audio connector
Table 21, page 49
Obtaining the
Front Panel I/O Connectivity Design Guide
Section 1.5, page 15
±
NOTE
The front panel audio connector is alternately used as a jumper block for routing audio signals.
Refer to Section 2.9.1 on page 56 for more information.
1.10.1.2
Auxiliary Line In Connector (Optional)
An optional 1
x
4-pin ATAPI-style connector connects the left and right channel signals of an
internal audio device to the audio subsystem.
For information about
Refer to
The location of the auxiliary line in connector
Figure 5, page 48
The signal names of the auxiliary line in connector
Table 22, page 49