Factory Reset Mega2560 and Mega2560V

Other Hardware 3rd Party Boards
1

Hello everybody,
is there any way to Factory Reset Mega2560 and Mega2560V, which can set all fuses to default, erase bootloaders etc.?

Thank you

2

Also posted at:
http://www.avrfreaks.net/forum/factory-reset-mega2560-and-mega2560v