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General| Manufacturer | Sega |
|---|---|
| Generation | Third generation |
| Discontinued | 1996 |
| Media | ROM cartridge, Sega Card |
| CPU | Zilog Z80 |
| CPU Speed | 3.58 MHz (NTSC), 3.55 MHz (PAL) |
| Memory | 8 KB RAM |
| Video RAM | 16 KB |
| Graphics | Texas Instruments TMS9918 |
| Sound | Texas Instruments SN76489 |
| Best-selling Game | Sonic the Hedgehog |
| Predecessor | SG-1000 |
| Successor | Sega Genesis/Mega Drive |
| Sound Channels | 3 tone generators, 1 noise generator |
| Resolution | 256 × 192 |
| Display Colors | 32 |
| Cartridge ROM | Up to 4 MB |
| Release Date | October 1985 (JP), June 1986 (NA), September 1987 (EU) |
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