Intel DG33BU Audio Subsystem, 3 PS/2 Keyboard and Mouse Interface, Audio Jack Support

Intel Desktop Board DG33BU Technical Product Specification

1.9.3PS/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

	Supports	Supports	Supports	Supports
Audio Jack	Line in?	Line out?	Microphone?	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

24