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A pinout diagram of the IO chip found on early Model 1 Mega Drives. It handles the version register, as well as IO ports.
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|current||21:18, 2 July 2015||1,936 × 1,472 (82 KB)||Tristanseifert|
|10:41, 16 March 2015||1,936 × 1,472 (82 KB)||Tristanseifert|
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