Advantech MIC-7420 User Manual page 44

4.2.2.11 USB Configuration
 Legacy USB Support
Enable or disable legacy USB support.
XHCI Hand-off

Enable or disable XHCI hand-off. This item is the alternative for OS which do not
have the XHCI hand-off function.
 USB Mass Storage Driver Support
Enable or disable USB storage device support.
 Port 60/64 Emulation
Enable or disable emulation support for port 60/64. For OS which do not support
USB, this option should be enabled.
 USB transfer time-out
Sets the time of USB transfer time-out.
 Device power-up delay
Sets the delay time of command execution for USB storage device.
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