Intel Desktop Board D945GCPE Technical Product Specification
22
1.7
Audio Subsystem
The board supports the Intel High Definition audio subsystem based on the Realtek
ALC662 audio codec. The audio subsystem supports the following features:
•
Line out and Mic in functions for front panel audio jacks
•
A signal-to-noise (S/N) ratio of 95 dB
•
Independent stereo audio playback from back panel connectors and Intel
®
High
Definition audio front panel audio header.
NOTE
The use of AC 97 front panel audio headers is not recommended if you plan to obtain
Microsoft Windows Vista certification.
1.7.1
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
1.7.2
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
Refer to
The location of the front panel audio header
Figure 9, page 38
The signal names of the front panel audio header
Table 9, page 40
The back panel audio connectors
Section 2.2.1, page 37
1.7.3
Four Channel Audio Subsystem
The four channel High Definition audio subsystem includes the following:
•
Intel 82801GB I/O Controller Hub (ICH7)
•
Realtek ALC662 audio codec
•
Microphone input that supports a single dynamic, condenser, or electret
microphone
The back panel audio connectors are configurable through the audio device drivers.
The available configurable audio ports are shown in Figure 3.