Lanner LEC-7338, User Manual

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Chapter 4: BIOS Setup
41
This option allows you to change USB configuration parameters.
Legacy USB Support
Item Option 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.
USB 3.0 Support
Enabled
Disabled
Enables or disables USB 3.0 support
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.
EHCI Hand-off
Enabled
Disabled
Enables or disables EHCI Hand-off function. This is a
workaround for operating systems without EHCI hand-off
support. The EHCI ownership change should be claimed by
EHCI 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