Usb configuration – Avalue ECM-QM87 User Manual
Page 49
User
’s Manual
ECM-QM87R/ ECM-QM87 User
’s Manual 49
3.6.2.8 USB Configuration
The USB Configuration menu helps read USB information and configures USB settings.
Item
Options
Description
Legacy USB Support
Enabled[Default]
Disabled
Auto
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.
XHCI Hand-off
Enabled[Default]
Disabled
This is a workaround for OSew without XHCI
hand-off support. The XHCI ownership change
should be claimed by XHCI driver.
EHCI Hand-off
Enabled
Disabled[Default]
This is a workaround for OSes without EHCI
hand-off support. The EHCI ownership change
should be claimed by EHCI driver.
USB Mass Storage Driver Support
Enabled[Default]
Disabled
Enable/Disable USB Mass Storage Driver
Support.