Intel DH55TC DH55TC Technical Product Specification - Page 21

Audio Subsystem - headphones

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Product Description 1.10.2 Parallel Port The parallel port is implemented as a 26-pin header on the board. Use the BIOS Setup program to set the parallel port mode. For information about The location of the parallel port header Refer to Figure 10, page 39 1.11 Audio Subsystem The board supports Intel High Definition Audio via the HDMI interface as well as via the Realtek ALC888S audio codec. The ALC888S-based 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 via back panel jacks • Headphone and Mic in functions for front panel audio jacks • A signal-to-noise (S/N) ratio of 90 dB 1.11.1 Audio Subsystem Software Audio software and drivers are available from Intel's World Wide Web site. For information about Obtaining audio software and drivers Refer to Section 1.3, page 14 1.11.2 Audio Connectors and Headers The board contains audio connectors and headers on both the back panel and the component side of the board. The component-side audio headers include the following: • Front panel audio (a 2 x 5-pin header that provides headphone and mic in signals for front panel audio connectors) (yellow) • S/PDIF audio header (1 x 4-pin header) (yellow) • Internal mono speaker header (1 x 2 pin header) (yellow) For information about The locations of the front panel audio header, S/PDIF header, and internal mono speaker header The signal names of the front panel audio header The signal names of the S/PDIF header The signal names of the internal mono speaker header The back panel audio connectors Refer to Figure 10, page 39 Table 14 and Table 15, page 42 Table 12, page 42 Table 13, page 42 Section 2.2.1, page 38 21

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Product Description
21
1.10.2
Parallel Port
The parallel port is implemented as a 26-pin header on the board.
Use the BIOS
Setup program to set the parallel port mode.
For information about
Refer to
The location of the parallel port header
Figure 10, page 39
1.11
Audio Subsystem
The board supports Intel High Definition Audio via the HDMI interface as well as via
the Realtek ALC888S audio codec.
The ALC888S-based 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 via back panel jacks
•
Headphone and Mic in functions for front panel audio jacks
•
A signal-to-noise (S/N) ratio of 90 dB
1.11.1
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 1.3, page 14
1.11.2
Audio Connectors and Headers
The board contains audio connectors and headers on both the back panel and the
component side of the board.
The component-side audio headers include the
following:
•
Front panel audio (a 2 x 5-pin header that provides headphone and mic in signals
for front panel audio connectors) (yellow)
•
S/PDIF audio header (1 x 4-pin header) (yellow)
•
Internal mono speaker header (1 x 2 pin header) (yellow)
For information about
Refer to
The locations of the front panel audio header, S/PDIF header, and
internal mono speaker header
Figure 10, page 39
The signal names of the front panel audio header
Table 14 and Table 15, page 42
The signal names of the S/PDIF header
Table 12, page 42
The signal names of the internal mono speaker header
Table 13, page 42
The back panel audio connectors
Section 2.2.1, page 38