IEI Integration IMBA-XQ354 v1.10 - Manual (Page 166)

IMBA-XQ354 Motherboard
Page 146
6.7.2 Southbridge Chipset Configuration
Use the Southbridge Configuration menu (
9
BIOS Menu 28) to configure the Southbridge
chipset.
BIOS Menu 28:Southbridge Chipset Configuration
 HDA Controller [Disabled]
Use the HDA Controller option to enable the Southbridge high definition audio controller.
If the optional AC-KIT-833HD has been connected to the system, or any other HDA device,
this option should be enabled.

Disabled D EFAULT Southbridge HDA controller is disabled

Enabled Southbridge HDA controller is enabled
 ASF Support [Enabled]
Use the ASF Support BIOS to allow remote management using ASF technology.