Intel Desktop Board DG33FB Technical Product Specification

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

⎯ HD audio link 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.

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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

1.10.1 Audio Subsystem Software

Audio software and drivers are available from Intel’s World Wide Web site.

For information about Refer to

Obtaining audio software and drivers Section

1.2, page 15