9 BIOS Operation
Kontron User's Guide ETX®-CN8
58
USB Configuration Menu
Feature
Option
Description
USB 1.1 Ports Configuration
Disabled
USB 2 Ports
USB 4 Ports
Disables, or enables USB port 1 +2 or all 4
ports
USB 2.0 Ports
Disabled
Enabled
Disables or Enables the EHCI USB 2.0
controller
Legacy USB Support
Disabled
Enabled
Disables or Enables the legacy USB Support
Port 64/60 Emulation
Disabled
Enabled
Enables I/O port 64h/60h emulation
support. It should be enabled for keyboard
legacy support for non USB aware OSs.
USB 2.0 Controller Mode
HiSpeed
FullSpeed
Configures the USB 2.0 Controller either in
HighSpeed (480Mbps) or FullSpeed
(12Mbps)
BIOS EHCI Hand-Off
Disabled
Enabled
If enabled it is a workaround for OSs without
EHCI hand-off support.
USB Beep Message
Disabled
Enabled
Enables or Disables the beep during USB
device enumeration
Содержание ETX -CN8
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