ADLINK Technology VPX3001 Series, Manual

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BIOS Setup 57
VPX3001
8.3.4 USB Configuration
You can use this screen to select options for the USB Configura-
tion. Use the up and down < Arrow > keys to select an item. The
screen is shown below.
Legacy USB Support
Enables legacy USB support. Auto option disables legacy support
if no USB devices are connected. Disable option will keep USB
devices available only for EFI applications. Set this value to
Enabled/Disabled/Auto.
USB 3.0 Support
To enable or disable USB 3.0 (XHCI) controller support. Set this
value to Enabled/Disabled.
XHCI Hand-off
This is a workaround for OSes without XHCI hand-off support. The
XHCI ownership change should be claimed by the XHCI driver.
Set this value to Enabled/Disabled.