Genesis:Connector Pinouts

AV Out (Model 1)
Note: Connector is the female end at the console.



AV Out (Model 2 and 3)
This connector is also used in the Genesis Nomad, Mega Jet, 32X, CDX, and most X'Eye consoles. Ground is at the cable shroud.

Note: Connector is the female end at the console.



Cartridge Port
Note: The "A" row is towards the back and numbered from left to right. The "B" row pins are towards the front and also numbered from left to right. This table is oriented so the front of the port is facing left. All lines starting with a "V" are connected to the 68000 CPU.



Controller Port
Note: Female is connector at the console. Male is connector at the controller. Diagram pictured is of the connector at the controller end.



Expansion Port
This connector is only found on model 1 and model 2 consoles.

Note: The "A" row is on the bottom and is numbered from left to right. The "B" row pins are on the top and are also numbered from left to right. This table is oriented so the front of the port is facing left. All lines starting with a "V" are connected to the 68000 CPU.

EXT Port
This connector is only found on older model 1 consoles, all model 1 Japanese Mega Drive consoles, the TeraDrive and Wondermega. It is located at the rear of these consoles, and is essentially identical to the controller ports, though is typically used to send serial data to the VDP instead of being used as an extra controller port. The most notable accessory to use this connector is the Mega Modem, which was only released in Japan.

Note: Diagram pictured is of the connector at the console end.