Sega — vintage systems
9 machines in the registry, 1983–1990.
1983 Sega SC-3000
1983 Sega SC-3000H
1983 Sega SG-1000
1984 Sega SG-1000 II
1985 Sega Mark III
1987 Sega Master System- 1987 Sega Master System (Japanese)
1990 Sega Game Gear
1990 Sega Master System II