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3.3.13 USB Configuration
Legacy USB Support
Enable USB legacy support. AUTO option disables legacy support if no USB
devices are connected. DISABLE option will keep USB devices available only for
EFI applications.
Enabled / Disabled / Auto
XHCI Hand-off
Enabled
EHCI Hand-off
This is a workaround for OSes without EHCI hand-off support. The EHCI ownership
change should be claimed by EHCI driver.
Enabled / Disabled
USB Mass Storage Driver Support
Enabled
Port 60/64 Emulation
Enables I/O port 60h/64h emulation support. This should be enabled for the
complete USB keyboard legacy support for non-USB aware OSes.
Enabled
/ Disabled
/ Disabled
/ Disabled
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