Intel D915GMH Product Specification - Page 30

Audio Subsystem

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Intel Desktop Board D915GMH Technical Product Specification 1.9.4 Keyboard and Mouse Interface PS/2 keyboard and mouse connectors are located on the back panel. ✏ NOTE The keyboard is supported in the bottom PS/2 connector and the mouse is supported in the top PS/2 connector. Power to the computer should be turned off before a keyboard or mouse is connected or disconnected. For information about The location of the keyboard and mouse connectors Refer to Figure 19, page 62 1.10 Audio Subsystem The board supports the Intel High Definition audio subsystem based on the Realtek ALC880 or the Realtek ALC860 audio codec. The audio subsystem supports the following features: • Advanced jack sense (front and rear panel) that enables the audio codec to recognize the device that is connected to an audio port. All 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 jacks • Multi-streaming capabilities that enable different audio streams to be sent to different audio devices. Multi-streaming also allows one audio stream to be directed out the back panel while another audio stream can be directed out the front panel. • A signal-to-noise (S/N) ratio of 90 dB # INTEGRATOR'S NOTE For the front panel jack sensing and automatic retasking feature to function, a front panel daughter card that is designed for Intel High Definition Audio must be used. Otherwise, an AC '97 style audio front panel connector will be assumed and the Line Out and Mic In functions will be permanent. 30

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Intel Desktop Board D915GMH Technical Product Specification
30
1.9.4
Keyboard and Mouse Interface
PS/2 keyboard and mouse connectors are located on the back panel.
✏
NOTE
The keyboard is supported in the bottom PS/2 connector and the mouse is supported in the top PS/2
connector.
Power to the computer should be turned off before a keyboard or mouse is connected or
disconnected.
For information about
Refer to
The location of the keyboard and mouse connectors
Figure 19, page 62
1.10
Audio Subsystem
The board supports the Intel High Definition audio subsystem based on the Realtek ALC880 or the
Realtek ALC860 audio codec.
The audio subsystem supports the following features:
•
Advanced jack sense (front and rear panel) that enables the audio codec to recognize the device
that is connected to an audio port.
All 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 jacks
•
Multi-streaming capabilities that enable different audio streams to be sent to different audio
devices.
Multi-streaming also allows one audio stream to be directed out the back panel while
another audio stream can be directed out the front panel.
•
A signal-to-noise (S/N) ratio of 90 dB
INTEGRATOR’S NOTE
For the front panel jack sensing and automatic retasking feature to function, a front panel daughter
card that is designed for Intel High Definition Audio must be used.
Otherwise, an AC ’97 style
audio front panel connector will be assumed and the Line Out and Mic In functions will be
permanent.