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The optional settings: [Enabled]; [Disabled]; [Auto].
[
Enabled
]: To enable Legacy USB support.
[
Disabled]
: This option will keep USB devices available only for EFI specifications.
[
Auto
]: To disable legacy support if no USB devices are connected.
XHCI Hand-off
This is a workaround for OSes without XHCI hand-off support. The XHCI
ownership change should be claimed by XHCI driver.
The optional settings: [Enabled]; [Disabled].
USB Mass Storage Driver Support
Use this item to enable or disable USB Mass Storage Driver Support.
The optional settings: [Disabled]; [Enabled].
USB hardware delays and time-outs:
USB transfer time-out
Use this item to set the time-out value for Control, Bulk, and Interrupt transfers.
The optional settings: [1 sec]; [5 sec]; [10 sec]; [20 sec].
Device reset time-out
Use this item to set USB mass storage device Start Unit command time-out.
The optional settings: [10 sec]; [20 sec]; [30 sec]; [40 sec].
Device power-up delay
Use this item to set maximum time the device will take before it properly reports
itself to the Host Controller. ‘Auto’ uses default value: for a root port it is 100 ms,
for a Hub port the delay is taken from Hub descriptor.
The optional settings: [Auto]; [Manual].
Select
[Manual]
you can set value for the following sub-item: ‘
Device power-up
delay in seconds
’
,
the delay range in from 1 to 40 seconds, in one second
increments.
Network Stack Configuration
Press [Enter] to go to ‘
Network Stack
’ screen to make further settings.
Network Stack
Use this item to enable or disable UEFI Network Stack.
