User`s manual
CyberResearch
®
CPU Cards CZGA LX-50
CyberResearch, Inc. 221
25 Business Park Drive P: (203) 483-8815; F: (203) 483-9024
Branford, CT USA www.cyberresearch.com
G.1 Introduction
The motherboard comes with an onboard Realtek ALC203 CODEC. Realtek ALC203 is a
20-bit DAC and 18-bit ADC full-duplex AC'97 2.3 compatible stereo audio CODEC with a
variable sampling rate.
G.1.1 Accessing the AC’97 CODEC
The CODEC is accessed through two phone jacks on the rear panel of the motherboard.
The phone jacks include:
1. A LINE output
2. A MIC input line
G.1.2 Driver Installation
The driver installation has been described in Section 7.4.
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.