Hardware roadmap

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Proposed Roadmap - UPDATED 25 JUN 2020

Aquarius v1.0.0 : Baseline

    • Aquarius v1.1.0 : Aquarius 1 stock motherboard, like-for-like replacement, SANCTIONED FREE version. NTSC motherboard disassembled, scanned, and all traces mapped in Eagle. Schematic has been cleaned up, and PCB layout is as close as it's going to get. Need to renumber R, C, and D components to either compliment the board layout from Radofin, or just start from scratch and apologize later. Target completion is 15 JUL 2020.
        • Traces are NOT identical. Radofin used some non-standard trace angles (Z80 to expansion port) and used excessive width on most of the traces, so these have been rerouted along nearly identical paths, but in a way that behaves better with Eagle.
        • The capacitor bodge on the bottom of chip U6 (across pins 10+11 and pin 8+GND) has been given a proper set of pads to the right of U6. As a result the BOTTOM traces beneath it have been narrowed to allow it to fit.
        • Motherboard part number 5931-4229 C on BOTTOM now says 5931-4229 CA to suggest there are differences.
      • Aquarius v1.1.0.x : Users can fork at this level for their own purposes, UNSANCTIONED versions.
      • Aquarius v1.1.1 : Aquarius 1 motherboard, updated with proper silk screen markings and ground planes, SANCTIONED PAID version.
      • Aquarius v1.1.2 : Aquarius 1 motherboard, updated with bodge fixes, modern component replacements, traces may be updated/optimized, SANCTIONED PAID version.
    • Aquarius v1.2.0 : Aquarius 1 modernized motherboard, fits in Aquarius 1 case, unmodified port openings may be used differently, SANCTIONED PAID version.
      • Aquarius v1.2.1 : Integrated composite video ???
      • Aquarius v1.2.2 : Modern power supply ???
      • Aquarius v1.2.3 : Charmap, ROM, updates ???
    • Aquarius v1.3.0 : Aquarius 1 motherboard, new layout, new case format, etc. ???
      • Aquarius v1.3.1 : New case design with mechanical keyboard, RGB output, proper serial, etc. ???

Aquarius v2.0.0 : Baseline

    • Aquarius v2.1.0 : Aquarius 2 stock motherboard, like-for-like replacement, SANCTIONED FREE version.
      • Aquarius v2.1.0.x : Users can fork at this level for their own purposes, UNSANCTIONED versions.
      • Aquarius v2.1.1 : Aquarius 2 motherboard, updated with proper silk screen markings and ground planes, SANCTIONED PAID version.
      • Aquarius v2.1.2 : Aquarius 2 motherboard, updated with bodge fixes, modern component replacements, traces may be updated/optimized, SANCTIONED PAID version.
    • Aquarius v2.2.0 : Aquarius 2 modernized motherboard, fits in Aquarius 2 case, unmodified port openings may be used differently, SANCTIONED PAID version.
      • Aquarius v2.2.1 : Charmap, ROM, etc updates ???
      • Aquarius v2.3.0 : Aquarius 2 motherboard, new layout, new case format, etc. ???

Aquarius v3.0.0 : Baseline, new OPEN computer, modern, programmable system (new video system, RAM system, sound, etc.)

    • Aquarius v3.1.0 : Aquarius 3 motherboard, SANCTIONED FREE version