For instructions on how to use the RepRap 5D GCode Interpreter and Extruder programs 
in a RepRap controlled by a Version 1.0 Motherboard or a Sanguino 
and having directly-controlled extruders, see:

    http://www.reprap.org/bin/view/Main/Generation2Firmware
  
For instructions on how to use the RepRap 5D GCode Interpreter and Extruder programs 
in a RepRap controlled by a Version 1.x (x >= 1) Motherboard or an Arduino Mega 
and having RS485-controlled extruders, see:

	http://www.reprap.org/bin/view/Main/Generation3Firmware