Arbor Technology IEC-3902, User Manual

Page: 49 / 62

- 39 -
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 23
USB Devices:
1 XHCI
USB Devices:
1 Keyboard
Legacy USB Support
XHCI Hand-off
USB Mass Storage Driver Support
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]
[20 sec]
[20 sec]
[Auto]
Aptio Setup Utility - Copyright (C) 2020 American Megatrends, Inc.
Version 2.20.1275. Copyright (C) 2020 merican 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.
USB hardware delay and time-out