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JR Extension Board #7

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tobiasvl opened this issue Apr 13, 2020 · 0 comments

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tobiasvl commented Apr 13, 2020 •

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Replaces the on-board RAM (?) and adds

8K of RAM
1K/2K EPROM (one chip, 2708 or 2716), replaces RAM
2 PIAs

tobiasvl added the enhancement label

tobiasvl added this to the RetroChallenge milestone

tobiasvl mentioned this issue

"Components" menu #15

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