Usb Configuration; Legacy Usb Support - DFI SB331-IPM User Manual

USB Configuration

This section is used to configure USB.
Aptio Setup Utility - Copyright (C) 2010 American Megatrends, Inc.
Advanced
USB Configuration
USB Devices:
1 Keyboard, 1 Mouse, 2 Hubs

Legacy USB Support

EHCI Hand-off
Version 2.02.1205. Copyright (C) 2010 American Megatrends, Inc.
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.
[Enabled]
[Disabled]
BIOS Setup
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
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