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Intel Desktop Board D915PGN/D915PSY 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 boards support the Intel High Definition audio subsystem based on the Realtek ALC860
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.
•
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.
1.10.1 Audio Subsystem Software
Audio software and drivers are available from Intel's World Wide Web site.
For information about
Obtaining audio software and drivers
1.10.2 Audio Connectors
The boards contain audio connector on both the back panel and the component side of the board.
The component-side audio connectors include the following:
•
Front panel audio (a 2 x 5-pin connector that provides mic in and line out signals for front
panel audio connectors)
•
ATAPI CD-ROM (an optional 1 x 4-pin ATAPI-style connector for connecting an internal
ATAPI CD-ROM drive to the audio mixer)
•
S/PDIF (an optional 1 x 3 connector that provides S/PDIF output signals)
The functions of the back panel audio connectors are dependent on which subsystem is present.
30
Refer to
Figure 17, page 64
Refer to
Section 1.4, page 19
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