Usb Configuration - Avalue Technology ECM-QM87R User Manual

3.6.2.8 USB Configuration

The USB Configuration menu helps read USB information and configures USB settings.
Item
Legacy USB Support
XHCI Hand-off
EHCI Hand-off
USB Mass Storage Driver Support
Options
Enables Legacy USB support. AUTO option
Enabled[Default]
disables legacy support if no USB devices are
Disabled
connected. DISABLE option will keep USB
Auto
devices available only for EFI applications.
This is a workaround for OSew without XHCI
Enabled[Default]
hand-off support. The XHCI ownership change
Disabled
should be claimed by XHCI driver.
This is a workaround for OSes without EHCI
Enabled
hand-off support. The EHCI ownership change
Disabled[Default]
should be claimed by EHCI driver.
Enabled[Default] Enable/Disable USB Mass Storage Driver
Disabled Support.
ECM-QM87R/ ECM-QM87 User's Manual 49
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