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Video
Other PCI devices
3.2.2.13
USB Configuration
Feature
Legacy USB Support
XHCI
Hand-off
USB Mass Storage
Driver Support
ARK-2250R User Manual
Controls the execution of UEFI and Legacy
Do not launch
Video OpROM
UEFI
When you use Win10 IoT image, please
Legacy
choose 'UEFI'
Determines OpROM execution policy for
Do not launch
devices other than Network, Storage, or Video
UEFI
When you use Win10 IoT image, please
Legacy
choose 'UEFI'
Option
Disable
Enable
Auto
Disable
Enable
Disable
Enable
34
Description
Disable this feature to keep USB devices
available for EFI applications and BIOS
setup only.
Select 'Auto' to disable legacy support if
no USB devices are connected.
This feature is a workaround for operat-
ing system without xHCI hand-off sup-
port.
Note: If this feature is enabled, the xHCI
ownership change should be claimed by
the xHCI operating system driver.
Enable/Disable
USB
Mass
Driver Support
Storage
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