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SG-1000

SG-1000
ManufacturerSega
TypeHome video game console
GenerationThird
Release dateSG-1000/SC-3000
  • JP: July 15, 1983
  • AU: November 1983
SG-1000 II
  • JP: July 31, 1984
DiscontinuedSG-1000
  • JP: July 1984
SG-1000 II
  • JP: October 1985
Units soldJapan
400,000 (SG-1000)[1]
1.4 million (SG-1000 series)[2]
120,000 (SC-3000)[3]
MediaROM cartridge, compact cassette, My Card
CPUZ80 @ 3.58 MHz
Memory1 KB RAM
Display256 × 192, 16 colors, 32 sprites
GraphicsTMS9918
SoundSN76489
SuccessorMaster System

The SG-1000[a] is a home video game console manufactured by Sega. It was Sega's first entry into the home video game hardware business. Developed in response to a downturn in arcades starting in 1982, the SG-1000 was created on the advice of Hayao Nakayama, president of Sega's Japanese arm, and was released on July 15, 1983, the same day that Nintendo released the Family Computer in Japan. It also had a limited release in Australia and New Zealand.

The SG-1000 was released in several forms, including the SC-3000 computer and the redesigned SG-1000 II[b] released in 1984. The SG-1000 and the SC-3000 both support a library of 51 ROM cartridge games and 29 Sega My Card games.

A third iteration of the console, the Mark III, was released in 1985. It provided an improved custom video display processor over previous iterations and served as the basis for the Master System in 1986, Sega's first internationally released console. All SG-1000 games are fully compatible with the Mark III and the Japanese version of the Master System.

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