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Intel Desktop Board DG33BU Technical Product Specification
24
1.9.3 PS/2 Keyboard and Mouse Interface
The 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 9, page 41
1.10 Audio Subsystem
The onboard audio subsystem consists of the following:
• Intel 82801IH (ICH9DH)
• Realtek ALC888 audio codec
• Back panel audio connectors
• Component-side audio headers:
⎯ Intel
®
High Definition Audio front panel header
The audio subsystem supports the following features:
• A signal-to-noise (S/N) ratio of 95 dB
• Independent 5.1 audio playback from back panel connectors and stereo playback
from the Intel High Definition Audio front panel header.
NOTE
Systems built with AC 97 front panel will not be able to obtain the Microsoft Windows
Vista* logo after June 2007.
Table 4 lists the supported functions of the front panel and back panel audio jacks.
Table 4.
Audio Jack Support
Audio Jack
Supports
Line in?
Supports
Line out?
Supports
Microphone?
Supports
Headphones?
Front panel – Green No Yes No Yes
Front panel – Pink No No Yes No
Back panel – Blue Yes Yes No No
Back panel – Green No Yes No Yes
Back panel – Pink No Yes Yes No