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  1. jack 68k

    USB-Serial Adapter and Cable Options

    Creating this thread to track USB-Serial adapters and cables that can be used to make a serial connection between a Classic Mac and a modern machine. In case you haven't seen it: Reconnaissance: Modern Diagnostics for Your Classic Mac USB Serial Adapters Mac hosts: adapters with the FTDI...
    • jack 68k
    • Thread
    • diagnostics serial cable serial interface
    • Replies: 5
    • Forum: Macintosh II
  2. jack 68k

    Reconnaissance: Modern Diagnostics for your Classic Mac

    #MARCHintosh 2026 is here and I'm excited to share a project I've been working on. https://reconnaissanceapp.com You may know that many Classic Mac models have a diagnostics mode built into the ROM that you can access over a serial connection. But it's extremely cumbersome, limited, and there...
    • jack 68k
    • Thread
    • diagnostics macintosh ii macintosh iicx macintosh iisi macintosh lc iii macintosh se/30 marchintosh2026
    • Replies: 19
    • Forum: Macintosh II
  3. jack 68k

    Replacement headphone jack for Macintosh IIci and similar logic boards

    I'm looking for a replacement for the white plastic + metal headphone jack found on most Macintosh II series and related logic boards. I've not made an exhaustive list, but I believe it is found on Macintosh II revision B, IIx, IIcx, IIci, IIfx, and Quadra 700 logic boards. Unfortunately, I have...
    • jack 68k
    • Thread
    • headphone jack iici iicx iifx iix quadra 700
    • Replies: 3
    • Forum: Macintosh II
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