Sega Master System (SMS)

The Master System[c] is a third-generation 8-bit home video game console manufactured by Sega. It was originally a remodeled export version of the Sega Mark III, the third iteration of the SG-1000 series of consoles, which was released in Japan in 1985 and featured enhanced graphical capabilities over its predecessors. The Master System launched in North America in 1986, followed by Europe in 1987, and Brazil in 1989. A Japanese version of the Master System was also launched in 1987, which features a few enhancements over the export models (and by proxy the original Mark III): a built-in FM audio chip, a rapid-fire switch, and a dedicated port for the 3D glasses. The Master System II, a cheaper model, was released in 1990 in North America and Europe.

The original Master System models use both cartridges and a credit card-sized format known as Sega Cards. Accessories for the consoles include a light gun and 3D glasses that work with a range of specially designed games. The later Master System II redesign removed the card slot, turning it into a strictly cartridge-only system and is incompatible with the 3D glasses.

* Information provided by Wikipedia

Manufacturer Sega
Generation Third generation
Type Home video game console
Release date September 1986
Introductory price US$200
Discontinued 1992
Units sold 10 – 13 million


Media ROM cartridge, Sega Card
CPU Zilor Z80A
@ 4 MHz
Memory 8 KB RAM
Graphics 256 x 192 resolution, 32 colors on-screen
Sound Yamaha SN76489, YM2413 
Controller input Sega Control Pad


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