2-18
Chapter 2: BIOS information
2.6.3
USB Configuration
The items in this menu allow you to change the USB-related features.
The
USB Devices
item shows the auto-detected values. If no USB device is detected, the
item shows None.
Enabled All of USB Devices [Enabled]
Allows you to enable or disable all USB ports. Configuration options: [Disabled] [Enabled]
Legacy USB Support [Enabled]
[Enabled]
Enables the support for USB devices on legacy operating systems (OS).
[Disabled]
The USB devices can be used only for the BIOS setup program.
[Auto]
Allows the system to detect the presence of USB devices at startup. If
detected, the USB controller legacy mode is enabled. If no USB device is
detected, the legacy USB support is disabled.
EHCI Hand-off [Disabled]
[Enabled]
Enables the support for operating systems without an EHCI hand-off
feature.
[Disabled]
Disables the function.
USB Single Port Control
Allows you to enable/disable individual USB ports.
USB3_1~2/USB2_1~8 [Enabled]
Allows you to enable or disable an individual USB port. Refer to the section
1.2.3
Motherboard layout
in this user manual for the locations of the USB ports.
Configuration options: [Enabled] [Disabled].
2.6.4
NB Configuration
IGFX Multi-Monitor [Disabled]
Enables or disables the integrated graphics multi-monitor support for add-on VGA devices.
Configuration options: [Enabled] [Disabled].
Primary Video Device [Auto]
Allows you to select the primary video device. Configuration options: [IGFX Video] [PCIE
Video].
Integrated Graphics [Auto]
Enables or disables the integrated graphics controller. Configuration options: [Auto] [Force].