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USB Configuration
Feature
Options
Description
Legacy USB
Support
Enabled
Disabled
Auto
Enables Legacy USB support.
Auto option disables legacy support if no USB
devices are connected;
Disabled option will keep USB devices available only
for EFI applications.
XHCI Hand-off
Enabled
Disabled
This is a workaround for OSes without XHCI hand-
off support. The XHCI ownership change should be
claimed by XHCI driver.
USB Mass
Storage Driver
Support
Enabled
Disabled
Enables or disables USB Mass Storage Driver
Support.
USB transfer
time-out
1 sec/5 sec
10 sec/
20 sec
The time-out value for Control, Bulk, and Interrupt
transfers
Device reset
time-out
1 sec/5 sec
10 sec/
20 sec
USB mass storage device Start Unit command time-
out