IEI Technology IEM-LX, User Manual, Page: 130 / 140

IEM-LX-800 ETX CPU Module
D.1 Introduction
The CPU module comes with an on-board Realtek ALC203 CODEC. Realtek ALC203 is a
16-bit, full duplex AC’97 Rev. 2.3 compatible audio CODEC with a sampling rate of
48KHz.
D.1.1 Accessing the AC’97 CODEC
The CODEC is accessed through three phone jacks on the rear panel of the CPU module.
The phone jacks include:
3. A LINE input shared with surround output
4. A MIC input shared with Center and LFE output
5. A LINE output
6. A MIC input line
D.1.2 Driver Installation
The driver installation has been described in Chapter 7 , Section 7.3 .
After rebooting the sound effect configuration utility appears in the Windows Control
Panel (see Figure D-1 ). If the peripheral speakers are properly connected, sound effects
should be heard.
Page 130