Arbor Technology IEC-3900, User Manual

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BIOS
Aptio Setup Utility - Copyright (C) 2012 American Megatrends, Inc.
Version 2.15.1236. Copyright (C) 2012 American Megatrendes, Inc.
USB Configuration
USB Module Version 17
USB Devices:
1 XHCI
USB Devices:
1 Keyboard
Legacy USB Support
XHCI Hand-off
USB Mass Storage Driver Support
Port 60/64 Emulation
USB hardware delays and time-outs:
USB Transfer time-out
Device reset time-out
Device power-up delay
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.
→←: Select Screen
↓↑: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F9: Optimized Defaults
F10: Save and Exit
ESC: Exit
Advanced
[Enabled]
[Enabled]
[Enabled]
Enabled
[20 sec]
[20 sec]
[Auto]
Aptio Setup Utility - Copyright (C) 2019 American Megatrends, Inc.
Version 2.18.1263. Copyright (C) 2019 American Megatrendes, Inc.
5.2.3. USB Configuration
Setting Description
Legacy USB
Support
Sets legacy USB support.
►
Options: Enabled (default), Disabled and Auto .
AUTO option disables legacy support if no USB devices are
connected.
Disable
option will keep USB devices available only for EFI
applications.
XHCI Hand-off
Enable
(default) or
Disable
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
Enable (default) or Disable USB Mass Storage Driver
Support.
Port 60/64 Emulation
Enable (default) or Disable
port 60h/64h emulation
support. This should be enabled for the complete USB
keyboard legacy support for non-USB aware OSes.