Usb configuration, Legacy usb support, Ehci hand-off – NEXCOM NDiS 166 User Manual
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NDiS 166 User Manual
Chapter 4: BIOS Setup
USB Configuration
This section is used to configure USB devices.
Save & Exit
Advanced
Chipset
Boot
Security
Main
Version 2.02.1205. Copyright (C) 2010 American Megatrends, Inc.
Aptio Setup Utility - Copyright (C) 2010 America Megatrends, Inc.
→←: Select Screen
↑↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
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.
USB Configuration
USB Devices:
1 Keyboard, 2 Hubs
Legacy USB Support
EHCI Hand-off
[Enabled]
[Disabled]
Legacy USB Support
Enabled - Enables legacy USB.
Auto - Disables support for legacy when no USB devices are connect ed.
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.