Intel Desktop Board D945GBO KD945GBOKRPAK10 Manuale Utente

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Intel Desktop Board D945GBO Technical Product Specification 
32 
 
1.10 Audio Subsystem 
The board supports the Intel High Definition audio subsystem based on the Sigmatel 9220/9223 
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 
1.10.1  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 
1.10.2 Audio 
Connectors 
The board contains audio connectors on both the back panel and the component side of the board.  
The front panel audio connector provides mic in and line out signals for the front panel.   
 
For information about  
Refer to 
The location of the front panel audio connector 
The signal names of the front panel audio connector 
The back panel audio connectors 
1.10.3  8-Channel (7.1) Audio Subsystem 
The 8-channel (7.1) audio subsystem includes the following: 
•  Intel 82801GH I/O Controller Hub (ICH7DH) 
•  Sigmatel 9220/9223 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 9. 
 
For information about  
Refer to 
The back panel audio connectors