Asus Terminator K7 User Manual page 44

4. ADN Setting. This jumper allows you to select the primary and
secondary Audio Modem Riser (AMR) device. Set to 1-2 to use
a secondary AMR device, or set to 2-3 to use a primary AMR
device. Disable the onboard AC97 audio parameter in BIOS when
you use a primary AMR.
A7VC AMR Riser Card Detection Setting
44
A7VC
®
Chapter 3: Motherboard Information
ADN
1 2 2 3
ENABLE DISABLE
(Default)