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Apple-II-R0. Schematic for Apple II System Board Revision 0

Atari-1090XL-80CVC. Re-make of the Atari 1090XL 80 column card for monochrome monitors.

Atari-1090XL-R10. Modern and Upgraded Re-make of the Atari 1090XL Expansion System Main Board

Atari-1090XL-Prototype-Card. Re-make of the Atari 1090XL Prototype Card

Atari-1090XL-1066. Re-make of the Atari 1090XL 64k/256k DRAM card.