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ASUS P5L-MX 2-21
USB Function [Enabled]
Allows you to enable or disable the USB function.
Conguration options: [Disabled] [Enabled]
Legacy USB Support [Auto]
Allows you to enable or disable support for USB devices on legacy
operating systems (OS). Setting to 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. Conguration options: [Disabled] [Enabled] [Auto]
USB 2.0 Controller [Enabled]
Allows you to enable or disable the USB 2.0 controller.
Conguration options: [Disabled] [Enabled]
USB 2.0 Controller Mode [HiSpeed]
Allows you to congure the USB 2.0 controller in HiSpeed (480 Mbps) or
Full Speed (12 Mbps). Conguration options: [HiSpeed] [Full Speed]
BIOS EHCI Hand-off [Disabled]
Allows you to enable support for operating systems without an EHCI
hand-off feature. Conguration options: [Enabled] [Disabled]
The Module Version and USB Devices Enabled items show the
auto-detected values. If no USB device is detected, the item shows
None.
2.4.2 USB Configuration
The items in this menu allows you to change the USB-related features.
Select an item then press <Enter> to display the conguration options.
USB Conguration
Module Version - 2.23.0-F.4
USB Devices Enabled: None
USB Function [Enabled]
Legacy USB Support [Auto]
USB 2.0 Controller [Enabled]
USB 2.0 Controller Mode [HiSpeed]
BIOS EHCI Hand-Off [Disabled]
Do not disable the BIOS EHCI Hand-Off option if you are running a
Windows
®
operating system with USB device.