Sega Mega Drive Boxed System Console

Product description

• Main CPU: Motorola 68000 running at 7.67 MHz (NTSC) / 7.61 MHz (PAL). This was a 16/32-bit microprocessor managing game logic and overall execution. 
• Secondary CPU (Co-Processor): Zilog Z80 running at 3.58 MHz (NTSC) / 3.55 MHz (PAL). It primarily handled sound sub-systems and provided native backward compatibility with the Sega Master System.

• Main System RAM: 64 KB
• Video RAM (VRAM): 64 KB
• Sound RAM: 8 KB
• Bus Bandwidth: Features a 16-bit memory bus with a system bandwidth of 10 MB/s and a VRAM bandwidth of 13.4 MB/s. This fast memory access formed the basis of Sega's marketing term, "Blast Processing". 

• Graphics Processor: Custom Sega 315-5313 Video Display Processor. 
• Resolutions:
  • Progressive: 320×240 pixels (PAL).
  • Interlaced:  or 320×480 pixels (PAL).
• Color Palette: Total master palette of 512 colors (standard) or up to 1,536 colors using Shadow/Highlight software modes. 
• On-Screen Colors: Maximum of 64 colors simultaneously under normal conditions (or up to 183 via Shadow/Highlight).
• Sprites: Displays up to 80 sprites on screen at once (maximum sprite size 32×32 pixels). Supports multi-layer parallax scrolling backgrounds.

• FM Synthesis: Yamaha YM2612 (6-channel Frequency Modulation sound generator, 53.27 kHz sampling rate). One channel can be configured to play digitized 8-bit PCM audio samples. 
• PSG Chip: Texas Instruments SN76489 Programmable Sound Generator (3 square/pulse wave channels, 1 white noise channel) used for sound layers and Master System compatibility. 

• Media: ROM Cartridges (typically up to 4 MB / 32-Megabit natively without bank-switching mappers).
• Controller Ports: Two DE-9 front-facing male control pad inputs.
• AV/Output (Model 1): 8-pin DIN port providing composite video, RGB video, and mono audio.
• Stereo Audio (Model 1): A dedicated 3.5mm headphone jack with an adjustable volume slider on the front of the unit provided full stereo audio output.
• Expansion Port: Custom edge connector located on the bottom right side of the unit, used almost exclusively to hook up the Sega Mega-CD / Sega CD add-on.

Shipping & returns

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Local pickup and product support are available from Retro Gamers Vault at Unit 6, 16-30 Argyle Street, Camden NSW 2570. Please wait for confirmation that your order is ready before collecting it.

Eligible electronic devices include a 30-day Retro Gamers Vault warranty. Repair and modification services include a 90-day workmanship warranty where applicable. Cards and statues do not include an additional store warranty.

We do not accept change-of-mind returns. Your rights under the Australian Consumer Law continue to apply. Contact our team with your order number if an item is faulty, damaged or incorrectly supplied.

Additional info

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