Development Sega Master System / Mark III / Game Gear SG-1000 / SC-3000 / SF-7000 / OMV

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Pinouts

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Anywhere there are pins - cartridge ports, expansion ports, controller ports, RGB cables, mapper chips, etc - there must be pinouts. And here they are.

Game media

• Master System cartridge
• Sega Card/MyCard
• GG cartridge
• Japanese SMS & Mark III, SG-1000 & SC-3000

Expansion ports

• Master System
• SG-1000 & SC-3000

Controllers

• Controller port
• Handle Controller port
• Gear to Gear port SMS controller adaptor

Chippery

• Mappers
• I/O Controllers
• Mask ROMs

Miscellaneous

• Gear to Gear cable
• A/V Port

See also Hardware Hacks for adaptor schematics.

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