ECS Computer Keyboard, including the double-pronged plug that attaches to the Computer Adapter, 1983 Mattel Electronics ECS manual.
Computer Keyboard for ECS, a computer add-on for the Mattel Intellivision console video game
inty-ecs-keyboard-plug
ECS Computer Keyboard, including the double-pronged plug that attaches to the Computer Adapter, 1983 Mattel Electronics ECS manual.
Computer Keyboard for ECS, a computer add-on for the Mattel Intellivision console video game