KTQM77/mITX Users Guide
KTD-N0850-B Page 81
10.2.9 Advanced - USB Configuration
Aptio Setup Utility – Copyright © 2012 American Megatrends, Inc.
Advanced
USB Configuration
USB Devices:
2 Hubs
Legacy USB Support
USB3.0 Support
XHCI Hand-off
EHCI Hand-off
[Enabled]
[Disabled]
[Enabled]
[Disabled]
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
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Version 2.15.1226. Copyright © 2012 American Megatrends, Inc
Function
Selection
Description
Legacy USB Support
Enabled
Disabled
Auto
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.
USB3.0 Support
Enabled
Disabled
Enable/Disable USB3.0 (XHCI) Controller
support.
XHCI Hand-off
Enabled
Disabled
This is a workaround for OSes without XHCI
hand-off support.
The XHCI ownership change should be claimed
by XHCI driver.
EHCI Hand-off
Enabled
Disabled
This is a workaround for OSes without EHCI
hand-off support.
The EHCI ownership change should be claimed
by EHCI driver.
BIOS - Advanced
