On this page you can find solutions to create your own dumps for games.
INL Retro Dumper
Using this dumper you can dump games for following platforms: NES/Famicom, Genesis/Mega Drive, SNES/SFC, N64, Gameboy, Gameboy Advance
See my article about this dumper and the process for NES games.
Using this device you can dump games for Genesis/Mega Drive and SNES/SFC (and using adapters: Gameboy/Gameboy Color/Gameboy Advance, N64 and MasterSystem)
See my article for more information.
You can buy it from dragonbox.
SNES, SFC roms can be dumped using the function CopySNES (you need the jailbreak for the console, version JB6.6 and above).
If you want to know more about this console, read my guide.
This console can create dumps and save them to the micro SD card. BUT! All dumps are encrypted and can only be used on the console on which they were created.
Platforms are: Famicom, NES (with an adapter), Genesis/Mega Drive, SNES/SFC, PC Engine/TurboGrafx-16 (only cards!), Gameboy, Gameboy Color, Gameboy Advance. Using adapter you can also dump games for Sega Mark III, SG-1000 and GameGear. MasterSystem games can also be dumped using the Power Base Converter.
See my article about this console.