Chapter 4: BIOS Setup
USB Configuration
This section is used to configure the USB.
Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc.
Advanced
USB Configuration
Enables Legacy USB support.
AUTO option disables legacy
USB Module Version
8.10.27
support if no USB devices are
connected. DISABLE option will
USB Devices:
keep USB devices available
only for EFI applications.
2 Keyboards, 1 Point, 2 Hubs
Legacy USB Support
[Enabled]
USB3.0 Support
[Enabled]
XHCI Hand-off
[Enabled]
EHCI Hand-off
[Disabled]
→←: Select Screen
↑↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Troubleshooting: When installing Windows 7 from USB,
USB 3.0 will not be supported. Please disable XHCI and
enable EHCI to allow USB installation of Windows 7.
Version 2.16.1242. Copyright (C) 2013 American Megatrends, Inc.
Legacy USB Support
Enable
Enables Legacy USB.
Auto
Disables support for Legacy when no USB devices are connected.
Disable
Keeps USB devices available only for EFI applications.
USB3.0 Support
Enables or disables USB 3.0 controller support.
XHCI Hand-off and EHCI Hand-off
This is a workaround for OSs that does not support XHCI hand-off and EHCI
Hand-off. The XHCI and EHCI ownership change should be claimed by the
XHCI and EHCI driver respectively.
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