Advantech ARK-1250L User Manual page 71

USB Configuration
xDCI Support

Enable/Disable xDCI (USB OTG Device).
USB2 PHY Sus Well Power Gating

Select 'Enabled' to enable SUS Well PG for USB2 PHY.
USB3 Link Speed Selection

This option is to select USB3 Link Speed GEN1 or GEN2.
59 ARK-1250L User Manual