User Manual
3.2.2.11 USB Configuration
BIOS Setting
Description
Legacy USB
User can enable or disable USB
Support
port.
USB 3.0 Support User can enable or disable USB
3.0 (XHCI) controller support.
XHCI Hand‐off
This is a workaround for OSs
without XHCI hand‐ off
support.
EHCI Hand‐off
This is a workaround for OSs
without ECHI hand‐ off
Chapter 2
Setting
Option
Disable
Enable
Enable
Disable
Disable
Enable
Disable
Hardware Installation
Effect
Will keep USB
devices available
only for EFI
applications.
Enable all the USB
devices
Enable USB 3.0 is
enable
USB 3.0 is disable
Disables this
function
Enables this function
Disables this
function
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