EMB-3706 User's Manual
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3.2.6 USB Configuration
USB Function
Whether to turn off the USB controller and its entire USB function
Legacy USB Support
To set whether USB device start up is supported, i.e. whether to load relevant drivers of
USB device under DOS system, such as USB disk, USB keyboard, etc., this item should be set
as Enabled or Auto. Otherwise, select Disabled.
EHCI Controller
USB2.0 controller switch
EHCI Hand-off
This option is used to decide whether to switch the USB port into USB 2.0 mode before
entering the OS. If it is set to disable, it will operate in USB 1.1 compatibility mode before the
ownership is handed over to the OS.
USB Mass Storage Driver Support
Whether USB storage device driver is supported
USB transfer time-out
Device reset time-out
Set the time-out time for starting command of large USB flash disk. Default: 20 seconds.
Device Power-up Delay
Set the maximum delay time for the USB device to report to the main controller.