User manual

TREK-743 User Manual 36
7.1 Introduction
The ALC650 is an 18-bit, full duplex AC97 2.2 compatible stereo audio CODEC
designed for PC multimedia systems, including host/soft audio and AMR/CNR based
designs. The ALC650 AC97 CODEC supports multiple CODEC extensions with inde-
pendent variable sampling rates and built-in 3D effects.
7.1.1 Installation of Audio Driver
Before installing the audio driver, take note of the procedures detailed below. It is
important to be aware of the operating system in use on the TREK-743, and then
refer accordingly to the correct installation procedure.
1. Execute: D:\TREK-743 Driver and Utilities\Audio\WDM_A400.exe.
2. Select the path into which the driver will be installed and press “Next” to pro-
ceed.
3. Follow the on-screen instructions to finish installation.
Note! 1. It is important to pay attention to the instructions which appear on
the screen.
2. The CD-ROM drive is designated as “D” throughout this chapter.