Intel Desktop Board DG41MJ Technical Product Specification

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1.8.2 PS/2 Keyboard Interface

The PS/2 keyboard connector is located on the back panel.

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NOTE

Power to the computer should be turned off before a keyboard is connected or

disconnected.

For information about Refer to

The location of the keyboard connector Figure 9, page 39

1.9 Audio Subsystem

The onboard audio subsystem consists of the following:

• Intel 82801GB (ICH7)

• Realtek ALC888VC audio codec

• Back panel audio connectors

• Component-side audio headers/connectors:

⎯ 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

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NOTE

Systems built with an AC ‘97 front panel will not be able to obtain the Microsoft

Windows Vista logo.

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

Rear

Surround?

Supports

Center/

LFE?

Supports

Micro-

phone?

Supports

Line/Head

-phones

out?

Front panel – Green No No No No Yes

Front panel – Pink No No No Yes No

Back panel – Blue Yes Yes No No No

Back panel – Green No No No No Yes

Back panel – Pink No No Yes Yes No