CJB WEX-QM771, User Manual

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2.7 USB Configuration
Aptio Setup Utility - Copyright (C) 2012 American Megatrends, Inc .
Enables Legacy USB support.
AUTO option disables legacy
support if no USB devices are
connect. DISABLE option will
keep USB devices available
only for EFI applications.
Enter : Select
+/- : Change Opt .
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Advanced
: Select Screen
: Select Item
USB Configuration
USB Devices
1 Keyboard, 2 Hubs
Legacy USB Support
USB3.0 Support
XHCI Hand-off
EHCI Hand-off
USB hardware delays and time-outs:
USB transfer time-out
Device reset time-out
Device power-up delay
[Enabled]
[Enabled]
[Enabled]
[Disabled]
[20 sec]
[20 sec]
[Auto]
Version 2.15.1229. Copyright (C) 2012 American Megatrends, INC.
□
Legacy USB Support
The item
allows users to enable or disable
legacy support about USB devices.
Choices : Disabled, Enabled, Auto.
□
USB3.0 Support
The item
allows users to enable or disable USB3.0 controller support.
□
XHCI Hand-pff
The item is a workaround for OSes without XHCI hand-off support.
Choices : Disabled, Enabled.
□
EHCI Hand-pff
The item is a workaround for OSes without EHCI hand-off support.
Choices : Disabled, Enabled