Usb configuration, Come-cdc2 / bios operation – Kontron COMe-cDC2 User Manual
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COMe-cDC2 / BIOS Operation
USB Configuration
Feature
Option
Description
Legacy USB Support
Auto
Disabled
Enabled
Enables support for legacy USB. Auto option disables
legacy support if no USB devices are connected.
Port 64/60 Emulation
Disabled
Enabled
Enables IO port 60h/64h emuluation support.
USB 2.0 Controller Mode
FullSpeed
HiSpeed
Configures the USB 2.0 controller in HiSpeed
(480Mbps) or FullSpeed (12Mbps)
BIOS EHCI Hand-Off
Disabled
Enabled
This is a workaround for an OS without EHCI hand-off
support. The EHCI ownership change should claim by
the EHCI driver
USB reset delay
Disabled
Enabled
Enables extra delay after reset during USB
initialization.
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