AAEON EMB-BT1 - Manual (Page 51)

3-19 Chapter 3: BIOS setup
3.4.2 South Bridge
Azalia HD Audio
LPE Audio Support [Disabled]
Select LPE Audio ACPI mode or PCI mode. Configuration options: [Disabled]
[LPE Audio PCI mode] [LPE Audio ACPI mode]
Audio Controller [Enabled]
Configuration options: [Disabled] [Enabled]
Azalia VCi Enable [Enabled]
Configuration options: [Disabled] [Enabled]
Azalia Docking Support Enable [Disabled]
Configuration options: [Disabled] [Enabled]
Azalia PME Enable [Enabled]
Configuration options: [Disabled] [Enabled]
Azalia HDMI Codec [Enabled]
Configuration options: [Disabled] [Enabled]
USB Configuration
USB OTG Support [Disabled]
Configuration options: [Disabled] [Enabled]
USB VBus [On]
VBus should be On in Host mode and Off in OTG device mode. Configuration
options: [On] [Off]
XHCI Mode [Enabled]
Configuration options: [Disabled] [Enabled] [Auto] [Smart Auto]
USB2 Link Power Management [Disabled]
Configuration options: [Disabled] [Enabled]
USB Per Port Control [Disabled]
Configuration options: [Disabled] [Enabled]
USB Port 0~3 [Enabled]
Configuration options: [Disabled] [Enabled]
PCI Express Configuration
USB Express Port 0~3 [Enabled]
Configuration options: [Disabled] [Enabled]
Speed [Enabled]
Configuration options: [Auto] [Gen 1] [Gen 2]