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  1. J

    Houston Computer Museum liquidation July 24th

    Found this just now: https://www.facebook.com/marketplace...8156389355802/ The pictures show a lot of Apple gear, a stack of what look to be VT240 and VT525 terminals Everything looks in pretty rough shape, though.
  2. J

    A "demo" running directly on a 1571 floppy drive.

    This made the rounds earlier this week; a demo with video and sound, running on a disconnected 1571 drive. https://www.youtube.com/watch?v=zprSxCMlECA http://www.quiss.org/freespin/
  3. J

    Building a Franken-PDP-11 out of parts?

    One day, I'd love to have a real, small PDP-11 to bang on, like an 11/05, 11/53, or LSI-11. Starting with something like this (a Mentec QBUS CPU) or this (M8191 CPU from a /23), would I "just" need a QBus backplane, power supply, some sort of QBus storage controller, and cables?
  4. J

    PDP-11: High-speed paper tape reader

    I'm playing around with SimH, simulating a small PDP-11 system with a high-speed paper tape reader, and I have a question about how the real hardware worked. Real paper tapes have a blank leader section for a few inches so the operator can mount the tape and pull a few inches through, so it...
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