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Feature
Legacy USB Support
XHCI Hand-off
EHCI Hand-off
USB Mass Storage
Driver Support
USB transfer time-out
Device reset time-out
All manuals and user guides at all-guides.com
Options
Enables Legacy USB support.
Enabled
Auto option disables legacy support if no USB
Disabled
devices are connected;
Auto
Disabled option will keep USB devices available
only for EFI applications.
This is a workaround for OSes without XHCI
Enabled
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
should be claimed by EHCI driver
Enabled
Enables or disables USB Mass Storage Driver
Disabled
Support.
1 sec
5 sec
The time-out value for Control, Bulk, and
10 sec
Interrupt transfers
20 sec
1 sec
USB mass storage device Start Unit command
5 sec
time-out
44
Chapter 3: BIOS Setup
Description
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