Cartridge
From Sega Retro
A cartridge stores a game's ROM data, and in some cases also contains additional hardware such as the battery-powered SRAM.
- The Sonic & Knuckles cartridge has another cartridge slot on top of it. This is "Lock-On Technology".
- Micro Machines 96 has two additional joypad ports on the front of the cartridge, making it a "J-Cart".
- Virtua Racing contains a DSP chip, allowing for enhanced graphics.