1. Download the AG-C21300801BF04US.EXE file to a temporary or download directory (please note this directory for reference).
2. Go to the directory where the file was downloaded and double click the AG-C21300801BF04US.EXE file to begin the installation.
3. At the "Agere Systems AC'97 Modem Driver for Microsoft® Windows® XP", click Next.
4. At the "License Agreement" box, read the agreement, then, if you agree, click "I Agree".
5. At the "Finish" screen, click Finish.

The installation of the Agere Systems™ AC'97 Modem driver is complete.

This utility will install the originally shipped version of the Agere Systems™ AC'97 modem driver for the Microsoft® Windows® XP operating system.

• During the installation of this update, be sure that you are logged in as the Administrator or as a user with Administrative rights.
• To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.
• It is highly recommended to print out these instructions as a reference during the installation process.