IEI Integration ECW-281B-N270-WT v2.10 - Manual (Page 114)

ECW-281B-R21/N270 Embedded System
Page 98
5.7.2 SouthBridge Configuration
The SouthBridge Configuration menu (
891H799H799H801H
BIOS Menu 20 ) the southbridge chipset to be
configured.
BIOS Menu 20:SouthBridge Chipset Configuration
Audio Controller [All Disabled]
The Audio Controller option enables or disables the audio controller.
AC’97 Audio Only The on-board AC’97 audio controller is enabled.
All Disabled D EFAULT
The on-board audio controller is disabled.