Legacy usb support, Ehci hand-off – NEXCOM NISE 2300 User Manual
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NISE 2300 User Manual
Chapter 4: BIOS Setup
Advanced
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
Aptio Setup Utility - Copyright (C) 2011 American 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
Legacy USB Support
EHCI Hand-off
[Enabled]
[Disabled]
Legacy USB Support
Legacy USB Support
Enabled
Disabled
Auto
Enable Enables Legacy USB.
Auto
Disables support for Legacy when no USB devices are connected.
Disable Keeps USB devices available only for EFI applications.
Advanced
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.
→←: Select Screen
↑↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
This is a workaround for OSes
without EHCI hand-off support.
The EHCI ownership change
should be claimed by EHCI
driver.
USB Configuration
USB Devices:
1 Keyboard
Legacy USB Support
EHCI Hand-off
[Enabled]
[Disabled]
EHCI Hand-off
EHCI Hand-off
Disabled
Enabled
This is a workaround for OSes that does not support EHCI hand-off. The
EHCI ownership change should be claimed by the EHCI driver.