English Product Guide

Intel Desktop Board DQ45EK Product Guide

Audio Subsystem

The onboard audio subsystem consists of the following:

• Intel ICH10DO I/O controller hub

• Analog Devices AD1882 audio codec

• Intel High Definition Audio front panel audio header

• Back panel audio connectors

The audio subsystem supports the following features:

• A signal-to-noise (S/N) ratio of 95 dB

• Independent multi-streaming 4-channel (2 + 2) audio (using the back panel audio

connectors and the Intel High Definition Audio front panel header)

Go to the following locations for more information about:

• Audio drivers and utilities http://support.intel.com/support/motherboards/desktop/

• Location of the onboard audio headers, Figure 18 on page 43

• The location and

description of the back panel audio connectors, Figure 19 on

page 47

Table 3 lists the supported functions for the front panel and back panel audio jacks.

Table 3. Audio Jack Retasking Support

Audio Jack

Supports

Line in?

Supports

Line out?

Supports

Microphone?

Supports

Headphones?

Front Panel

Green No Yes No Yes

Pink No No Yes No

Back Panel

Blue Yes No No No

Green No Yes No Yes

Pink No No Yes No

Legacy Input/Output (I/O) Controller

The I/O controller features the following:

• Low pin count (LPC) interface

• One serial port interface via an onboard header

• Serial IRQ interface compatible with serialized IRQ support for PCI Express systems

• Intelligent power management, including a programmable wake up event interface

• PCI Express power management support