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    tempest

    Did you get this one? ...

    Did you get this one? http://www.atariprotos.com/othersystems/videobrain/hardware/expander1/Expander1%28black%29_1.jpg

    I never knew that design existed. My Expander 1 is #29!

    tempest Today, 05:08 AM Go to last post
    per

    Congratulations on the find! One of the first...

    Congratulations on the find!

    One of the first things I'd do is to try to read the paper tape over to binary files, and then you might use a modern computer with a serial card (and maybe a...

    per Today, 04:43 AM Go to last post
    silver

    I also have a reasonable number of PDP-11 boards...

    I also have a reasonable number of PDP-11 boards available: dual, quad or unibus.

    Does anyone have any specific needs?

    I am near Reading, Berkshore UK.

    silver Today, 04:40 AM Go to last post
    nikola-wan

    Tektronix 4907 Floppy Drive power on errors fixed

    I hooked my HP 1630A logic analyzer to the ribbon cable connector from the mainboard to the ROM board - that the service manual indicates can be connected to the 4051 diagnostic box (that I don't...

    nikola-wan Today, 04:12 AM Go to last post
    Stone

    Normally I'd suspect that as well but without an...

    Normally I'd suspect that as well but without an error message from the floppy drive I'm a bit skeptical. The drive should report General Failure or Non System Disk or something similar if it's been...

    Stone Today, 04:04 AM Go to last post