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Atari 2600 Hardware

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2600 Jr.Edit

2600jr board top

Top of motherboard

2600jr board bottom

Bottom of board

Board label: C021503 Rev D
A# Brand Name Description Documentation
A1  ? UM6532 PIA (RAM, timers, I/O)
A2  ? UM6507 6507 Processor. Variant of the 6502.
A3  ? C010444 TIA (Video and sound)
A4  ? CD405OBE  ?
A5  ? 3086PC  ?


Board label: C015519 Rev.12

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