IEI Integration IMBA-9454 v4.02 - Manual (Page 194)

IMBA-9454G Motherboard
Page 176
D.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.
D.1.1 Accessing the AC’97 CODEC
The CODEC is accessed through the phone jacks on the rear panel of the motherboard.
The phone jacks include:
 LINE IN
 LINE OUT
 MIC IN
D.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 D-1). If the peripheral speakers are properly connected, sound effects
should be heard.