Kontron COMe-bPC2 Manuel d'utilisateur Page 88

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COMe-bPC2 / BIOS Operation
USB Configuration
Feature Option Description
USB reset delay
Disabled
Enabled
Enable extra delay after reset during USB initialization.
This will give slow devices more time to get ready after
they have been reset.
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 I/O port 60h/64h emulation support. This
should be enabled for the complete USB keyboard
legacy support for non-USB aware OSes.
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 Beep Message Disabled
Enabled
Enables the beep during USB device enumeration
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