1) Connect both USB mini-B type cables to the gumstix board (OTG and console ports)
2) Open a serial console, 115200 baud
dmesg | grep tty # should see the name serial port at the end screen /dev/ttyUSB0 115200
3) Ensure both antennas are connected. Long antenna is for the 868MHz XBee, short antenna for the 5.8GHz video transmitter. Connect battery to quadrotor and power plug to gumstix. Turn on the flight computer to enable the low battery alarm.
A number of messages should appear in the serial console as the gumstix boots up before the login page eventually appears.