Intel MB820 - Manual (Page 57)

DRIVERS INSTALLATION
MB820 User’s Manual 53
Realtek AC97 Codec Audio Driver Installation
Follow the steps below to install the Realtek AC97 Codec Audio Drivers.
1. Insert the CD that comes with the motherboard and the screen below
would appear. Click Intel(R) Chipsets, then Intel(R) 875P Chipset Family
Drivers. Click Realtek AC97 Codec Audio Drivers to start installation.
2. Click Finish to restart the computer and for changes to take effect. .