
ARK-2250R User Manual
34
3.2.2.13
USB Configuration
Video
Do not launch
UEFI
Legacy
Controls the execution of UEFI and Legacy
Video OpROM
When you use Win10 IoT image, please
choose 'UEFI'
Other PCI devices
Do not launch
UEFI
Legacy
Determines OpROM execution policy for
devices other than Network, Storage, or Video
When you use Win10 IoT image, please
choose 'UEFI'
Feature
Option
Description
Legacy USB Support
Disable
Enable
Auto
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.
XHCI
Hand-off
Disable
Enable
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.
USB Mass Storage
Driver Support
Disable
Enable
Enable/Disable USB Mass Storage
Driver Support
Summary of Contents for ARK-2250R
Page 1: ...User Manual ARK 2250R Railway Fanless System...
Page 8: ...ARK 2250R User Manual viii...
Page 11: ...Chapter 1 1 General Introduction This chapter gives background information on ARK 2250R series...
Page 20: ...ARK 2250R User Manual 10...
Page 21: ...Chapter 3 3 BIOS settings This chapter explains the BIOS configuration processes...
Page 39: ...29 ARK 2250R User Manual Chapter 3 BIOS settings 3 2 2 9 CPU Configuration...
Page 60: ...ARK 2250R User Manual 50...
Page 63: ...53 ARK 2250R User Manual Chapter 4 Jumper and Switch Settings 4 2 Jumper location...
Page 65: ...Chapter 5 5 Pin Assignments This chapter explains Pin Assign ments of ARK 2250R Series...
Page 71: ...61 ARK 2250R User Manual Chapter 5 Pin Assignments...