AND-DNV3N3-xxR Series
29
3.2.8. Advanced Setup: USB Configuration
Version 2.19.1266. Copyright (C) 2021 American Megatrends, Inc.
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Aptio Setup Utility - Copyright (C) 2021 American Megatrends, Inc.
Advanced
USB Configuration
USB Module Version
USB Controllers:
1 XHCI
USB Devices:
1 Keyboard
Legacy USB Support
XHCI Hand-off
USB Mass Storage Driver Support
Port 60/64 Emulation
Enables Legacy USB
support. AUTO option
disables legacy support
if no USB devices are
connected. DISABLE
option will keep USB
devices available only
for EFI applications.
19
[Enabled]
[Enabled]
[Enabled]
[Enabled]
• Legacy USB Support
Select Enabled to support onboard legacy USB devices. Select Auto to disable
legacy support if there are no legacy USB devices present. Select Disable to have all
USB devices available for EFI applications only.
• XHCI Hand-off
This is a work-around solution for operating systems that do not support XHCI
(Extensible Host Controller Interface) hand-off. The XHCI ownership change should
be claimed by the XHCI driver.
• USB Mass Storage Driv
Select Enabled for USB Mass Storage Driver support.
•
Port 60/64 Emulation
Select Enabled for I/O port 60h/64h emulation support, which in turn, will provide
complete legacy USB keyboard support for the operating systems that do not
support legacy USB devices.