BIOS Setup
MT800M-AIC User’s Manual
45
4
4.4.8
USB Configuration
BIOS Setting
Description
Legacy USB Support
Enables Legacy USB support.
•
Auto
disables legacy support if there is no
USB device connected.
•
Disable
keeps USB devices available only
for EFI applications.
XHCI Hand-off
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
Enables /Disablesthe support for USB mass
storage driver.
Port 60/64 Emulation
Enables / Disables I/O port 60h/64h emulation
support. This should be enabled for the
complete USB keyboard legacy support for
non-USB aware OSes.
USB Transfer time-
out
The time-out value for control, bulk, and
Interrupt transfers.
Options: 1 sec / 5 sec / 10 sec / 20 sec
Device reset time-out
Seconds of delaying execution of start unit
command to USB mass storage device.
Options: 10 sec / 20 sec / 30 sec / 40 sec
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Страница 52: ...44 MT800M AIC User s Manual Output Select Selects the display output interface ...