User manual

PPC-S155T User Manual 36
8.1 Introduction
The ALC650 is an 18-bit, full duplex AC’97 2.2 compatible stereo audio CODEC
designed for PC multimedia systems, including host/soft audio and AMR/CNR based
designs. The ALC650 incorporates proprietary converter technology to achieve a
high SNR, greater than 90 dB. The ALC650 AC’97 CODEC supports multiple
CODEC extensions with independent variable sampling rates and built-in 3D effects.
The ALC650 CODEC provides three pairs of stereo outputs with independent volume
controls, a mono output, and multiple stereo and mono inputs, along with flexible mix-
ing, gain and mute functions to provide a complete integrated audio solution for PCs.
8.2 Installation of Audio Driver
Before installing the audio driver, please take note of the procedures detailed below.
Verify which operating system is in use on the PPC-S155T, and then follow the instal-
lation procedure.
Run the setup.exe program to finish the installation.
Path:
D:\PPC-S155T\Audio\98_ME_2K_XP
Note! The CD-ROM drive is designated as “D” throughout this chapter.
The following are examples only. You must follow the instructions and
pay attention to the instructions which then appear on your screen