• Updated 2023-07-12: Hello, Guest! Welcome back, and be sure to check out this follow-up post about our outage a week or so ago.

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    Framework for developing a 68k application w/ serial port communication

    I'm contemplating a small project that would allow me to send/receive serial communication between my SE/30 and an external microcontroller unit (via the serial/modem port). I've written a dozen or so embedded C++ apps in the past that include custom MCU to MCU serial communication protocols...
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    Best way to test serial ports on an SE/30

    After several rounds of troubleshooting I have my external floppy and SCSI ports fully functional again. Now it’s time to focus on the serial ports. What are the preferred ways of thoroughly testing these on an SE/30? Is it possible to cable them together and test them in a loopback...
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    Mac SE/30 ripple artifact on right side of screen

    After recapping the logic board on my SE/30 my video output is working again, but I’m noticing an intermittent ripple effect on the right side of the screen (video link below). It seems more prevelant during boot up (especially a cold boot), but I have noticed it occasionally later on as well...
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    Mac SE30 Expansion Bracket Screws

    Does anyone happen to know the official screw size for the three sheet metal screws that attach the rear expansion bracket to the frame? The unit I’m working on came with the bracket unattached and no screws. I’ve tried several sizes I have laying around, but nothing I have fits perfectly. Thanks!
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    Backwards progress with SE/30

    Hello all. Longtime lurker, first time poster. It has been while since I owned a compact Mac, but recently came across an SE/30 for sale that was in surprisingly good shape. The seller insisted on booting it several times to show me it worked, and it seemed to boot fine to the internal SCSI...
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