xHCI Hand-off [Disabled]
[Enabled]
BIOS supports xHCI for the operating system without xHCI support.
[Disabled]
xHCI drivers support xHCI for the operating system with xHCI support.
USB Single Port Control
This item allows you to enable or disable the individual USB ports.
Refer to section
1.2.3 Motherboard layout
for the location of the USB ports.
2.5.7
Onboard Devices Configuration
HD Audio Controller [Enabled]
This item allows you to use the Azalia High Definition Audio Controller. Configuration options:
[Disabled] [Enabled]
The following three items appear only when you set the HD Audio Controller
item to
[Enabled]
.
Front Panel Type [HD Audio]
Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or
high‑definition audio depending on the audio standard that the front panel audio
module supports.
[HD Audio]
Sets the front panel audio connector (AAFP) mode to high definition
audio.
[AC97]
Sets the front panel audio connector (AAFP) mode to legacy AC’97.
Realtek LAN Controller [On]
[On]
Enables the Realtek LAN controller.
[Off]
Disables the controller.
Realtek PXE Option ROM [Off]
This item appears only when you set the previous item to [On] and allows you to enable or
disable the PXE OptionRom of the Realtek LAN controller. Configuration options: [On] [Off]
Power Loading [Auto]
Allows you to enable or disable the dummy load. When the power supply is at a low load, the
system activates its self‑protection mechanism that causes the system to shut down or fail.
To prevent this, set this item to [Enabled]. Configuration options: [Enabled] [Disabled]
Serial Port Configuration
The sub‑items in this menu allow you to set the serial port configuration.
Serial Port [Enabled]
Allows you to enable or disable the serial port (COM).Configuration options: [Enabled]
[Disabled]
2‑18
Chapter 2: Getting started
