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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
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
Refer to
Figure 19, page 62
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