Sega Master System / Mark III / Game GearSG-1000 / SC-3000 / SF-7000 / OMV
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Sega8bit & SMS Power! 2013 Event - 10th August 11 weeks and 5 days from now
Viewing the expansion port from below (the "solder side" of the board):
Applies to: All SG-1000 and SC-3000 consoles released worldwide.