Advantech ITA-5831 Series User Manual page 48

4.3.1.10 USB Configuration
 Legacy USB Support:
Enable/disable legacy USB support. The default settings is [enabled].
 XHCI Hand-off
This is a workaround for OS without XHCI hand-off support. The XHCI owner-
ship changes should be claimed by XHCI driver.
 USB Mass Storage Driver Support
Enable/disable USB Mass Storage driver support.
 Port 60/64 Emulation
Enable/disable I/O port 60h/64h emulation support. This should be enabled for
the complete USB keyboard legacy support for non-USB aware OS.
 USB transfer time-out
Set the time-out value for control, bulk, and interrupt transfers.
Device power-up delay

Set the time-out value for USB mass storage device start unit command.
ITA-5831 User Manual 38