What is the hardware connections and steps to be taken to put the Arduino Mega 2560 into DFU mode? Please show which pins/points are to be connected where with reference to this diagram: http://arduino.cc/it/Main/ArduinoBoardMega2560
- to connect short two pins of 6 pin connector, the nearest to USB, Windows will sounds "Device disconnected",
- then you install driver manually from C:\Program Files (x86)\Atmel\Flip 3.4.7\usb folder,
- now is the new Device connected as "ATmega16u2", this is DFU mode.