Mega Drive

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Sega Mega Drive

Console manufactured by Sega.

Contents

Technical specs

CPU:
  • Motorola MC68000, 7.61 MHz (PAL) or 7.67 MHz (NTSC)
  • Zilog Z80, 3.55 MHz (PAL) or 3.58 MHz (NTSC) (Used for Master System compatibility mode)
RAM:
  • 64 KB (Main, for MC68000)
  • 64 KB (Video)
  • 8 KB (Secondary, for Z80)
  • 8 KB (Audio)
ROM:
  • 2 KB (Boot)
  • 4 MB (Cartridge)
Video chip: Sega Master System VDP (derived from the Texas Instruments TMS9918)
Sound chip (Main): Yamaha YM2612
Sound chip (Secondary): Texas Instruments SN76489 compatible device built into VDP.

Connectors

  • RF output: RCA jack connects to TV antenna input
  • A/V output
  • Power input: positive tip barrel connector. Requires 9-10 volts DC, 0.85-1.2 A depending on model

Right side

Backside

  • "EXT" port: DE-9F (9-pin female D-Sub) (Early original model only)

Front

  • 2 x Mega Drive Joystick
  • Headphone output: Amplified 3.5-mm stereo jack on front of console with volume control

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Contributions

Sources