beautypg.com

G.1 introduction, G.1.1 accessing the ac’97 codec, G.1.2 driver installation – IEI Integration IEM-9452 User Manual

Page 164: Ntroduction

background image

IEM-9452 ETX Module

Page 148

G.1 Introduction

The motherboard comes with an onboard Realtek ALC655 CODEC. The ALC655 is a

16-bit, full-duplex AC'97 Rev. 2.3 compatible six-channel audio CODEC that provides

three pairs of stereo outputs with 5-bit volume control, a mono output, and multiple stereo

and mono inputs, along with flexible mixing, gain, and mute functions.

G.1.1 Accessing the AC’97 CODEC

The CODEC is accessed through the phone jacks on the baseboard. The phone jacks

include:

LINE IN

LINE OUT

MIC IN

G.1.2 Driver Installation

The driver installation has been described in Section 7.6.

After rebooting, the sound effect configuration utility appears in the Windows Control

Panel (Figure G-1). If the peripheral speakers are properly connected, sound effects

should be heard.