The second generation ended in 1984. This was because of the video game crash of 1983. As of 2004, the Atari 2600 has sold 30 million units. As of 1990, the Intellivision had sold 3 million units. As of April 1984, the ColecoVision had sold 2 million units. As of 1977, the Fairchild Channel F had sold 250,000 units.