# Prepare the computer to show you a list of its virtual serial ports. If you are using Windows, this means you should open the Device Manager. If you are on Linux or Mac OS X, this means you should open a Terminal and type the command {{fname|ls /dev/tty*}} but do not press enter until the board is in bootloader mode in the next step. | # Prepare the computer to show you a list of its virtual serial ports. If you are using Windows, this means you should open the Device Manager. If you are on Linux or Mac OS X, this means you should open a Terminal and type the command {{fname|ls /dev/tty*}} but do not press enter until the board is in bootloader mode in the next step. |