Bios setup – DFI QB700-B User Manual
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3
BIOS Setup
USB Confi guration
This section is used to confi gure USB.
Legacy USB Support
Enabled
Enables legacy USB.
Auto
Disables support for legacy when no USB devices are connected.
Disabled
Keeps USB devices available only for EFI applications.
EHCI Hand-off
This is a workaround for OSes that does not support EHCI hand-off. The EHCI
ownership change should be claimed by the EHCI driver.
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.
Aptio Setup Utility - Copyright (C) 2010 American Megatrends, Inc.
Version 2.02.1205. Copyright (C) 2010 American Megatrends, Inc.
USB Confi guration
USB Devices:
1 Keyboard, 1 Mouse
Legacy USB Support
EHCI Hand-off
Advanced
[Enabled]
[Disabled]
Select Screen
Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous
Values
F3: Optimized
Defaults
F4: Save & Exit
ESC: Exit