BiBoard V1

When you use a USB type-C data cable to upload the firmware for the mainboard BiBoard V1.

[picture of USB data connection]

• On Windows, if there is no serial port in the port list of Device Manager:

• On Mac, open the Terminal program under the Applications-Utilities folder and type the following commands. If no serial device name starting with "tty.wchusbserial" or "cu.wchusbserial" is found:

  cd /dev
  ls

Please download and install the USB driver:

• Windows: https://www.wch-ic.com/downloads/CH343SER_EXE.html
• Mac: https://www.wch-ic.com/downloads/CH34XSER_MAC_ZIP.html

For the macOS(from the version Sequoia 15.1), after installing the driver, you need to enable the driver, as follows:

Settings -> General -> Login Items & Extensions -> Driver Extensions