ADLINK Express-CB - Manual (Page 49)

Page 49 Express-IA533 User’s Manual Page 49 Express-IA533 User’s Manual Express-CB User’s Manual Page 49 Page 49 Express-CB User’s Manual
Legacy USB Support
Legacy USB Support refers to USB mouse and keyboard support. Normally if this option is not
enabled, any attached USB mouse or keyboard will not become available until a USB compatible
operating system is fully booted with all USB drivers loaded. When this option is enabled, any
attached USB mouse or keyboard can control the system even when there is no USB driver
loaded on the system. Set this value to enable or disable the Legacy USB Support (see below).
Option Description
Disabled Set this value to prevent the use of any USB device in DOS or during system boot.
Enabled Set this value to allow the use of USB devices during boot and while using DOS.
EHCI Hand-off
This is a workaround for OSes without EHCI hand-off support. The EHCI ownership change
should be claimed by EHCI driver. Configuration options: Enable, Disable.
Device Reset timeout
USB mass storage device Start Unit command timeout.
8.3.6 USB Configuration