Requirements
Setup
Plug the DC power supply into the wall and the Intel Galileo board.
Wait for 2 green LEDs to light up.
Connect the micro-USB cable to the Intel® Galileo.
Connect the other end to your computer.
Plug in the 6 pin Serial to USB cable.
Plug the other end into your computer.
Next Steps
Troubleshooting
For more such intel IoT resources and tools from Intel, please visit the Intel® Developer Zone
Source: https://software.intel.com/en-us/articles/intel-galileo-board-assembly/