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Random Variations. I recently purchased a ROM 01 Apple IIgs with the intention of using it to further my disk image explorations. While it came with an Apple 1MB expansion card, I quickly realized that it would be useful to have more memory installed.
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Apple IIgs 72-pin SIMM memory adapter
4/8MB 72-pin SIMM adapter I recently purchased a ROM 01 Apple IIgs with the intention of using it to further my disk image explorations. While it came with an Apple 1MB expansion card, I quickly realized that it would be useful to have more memory install
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OSI-300 Mini Assembly
Assembly of the OSI-300 Mini is fairly straightforward. I typically start with the shortest height parts, and work up to the tallest. 1N4148/1N914 diodes D1-D20, D41, D42, and D43 The black bar on each diode matches the bar on the silkscreen. 220 ohm resi
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Dumping the WP-2 ROM
As part of my project to run Zork on the Tandy WP-2, I found it useful to dump the ROM and take a peek at what it was doing. While the Service Manual (available online from Club 100, the Internet Archive, and other places) contains a wealth of information
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Z80 Membership Card
Z80 Membership Card (Front) While at VCFMW last year, I spent some time talking with Lee Hart about his ELF Membership Card. He showed me a new project that he had been working on with some others called the Z80 Membership Card. Z80 Membership Card (Back)
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