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Console Connection

The DE10-nano board has console port. The console allows you to login into Linux without a network connection and also provides some debug/info which sometimes useful to track the problems.

Refer to the UART-to-USB (USB Mini-B) connector on the board right side in the picture below:

UART port location

Connect with Windows

Connect the DE10-nano board to a PC using the UART-to-USB (USB mini type B) connector next to micro-USB. The PC will recognize it as virtual COM port. Use any console application to connect to this COM port. I recommend Putty.

Verify that COM port settings are correct:

  • Speed (baud rate) - 115200 bits per second
  • Data bits - 8
  • Stop bits - 1
  • Parity - none
  • Flow control - none

Here's a quick video for connections on Windows:

Linux Connections

  1. Be sure to be a member of the dialout group.
  2. Your serial port is likely to be /dev/ttyUSB0
  3. Configure it: $ stty -F /dev/ttyUSB0 115200 cs8 -cstopb -parenb -ixoff -ixon
  4. Look at the output while dumping it to a file: cat /dev/ttyUSB0 | tee mr.log

Now mr.log has a copy of all the information shown in the screen.

U-Boot command prompt

To interrupt u-boot and get into the u-boot command prompt once connected to the DE10-Nano, hold 'ESC' on the PC and then power on or reboot the Nano (using the reset button). Startup should be interrupted and you should see a '=>' prompt. Here you can edit the kernel boot options etc.

Last update: March 16, 2022