Xilinx VCU110 Manual page 18

UART Driver Install
Determine the COM Port numbers for your system
Open the Device manager
Control Panel → System → Device Manager
– There will be two "Silicon Labs Dual CP210x" COM ports, Standard and
Enhanced
– The Standard COM Port is the FPGA UART COM Port
– The Enhanced COM Port is the System Controller COM Port
– The COM Port numbers will vary from system to system
These COM Port Numbers will be used in several of the tutorials
Note: Presentation applies to the VCU110