SG-1000 Mark III

SG-1000 = Sega Game 1000

Console manufactured by Sega. Launched in 1985.

Technical specs

CPU:	Zilog Z80, 3.579545MHz
RAM:	Main: 8 kB Video: 16 kB
ROM:	8 kB
Video chip:	Texas Instruments TMS9918
Graphic modes:	256x192 and 256x224 (32 out of 64 colors)
Sound chip (PSG):	Texas Instruments SN76489
Sound:	4-channel mono sound 3 sound generators, 4 octaves each, 1 white noise generator
Sound chip (FM):	Yamaha YM2413 9 channel mono FM sound available as plug-in module for Mark III built into Japanese Master System supported by certain games only