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Thread: A lot of flip chips saved from being scrapped...

  1. #1

    Lightbulb A lot of flip chips saved from being scrapped...

    Today I saved a box full of flip chip stuff from being scrapped.
    It wasn't on sale but I got in touch with the man about something else
    and he told me that he was clearing out the attic of his 91 year old dad.
    I recognised some DEC stuff and asked if he had more... Yes he had...

    The man told me that he preserved the PCB's once for parts but
    scrapped the devices thirty years ago... Just for the price of old iron...

    This is the list.txt of all the boards.

    I would like to determine where they came from... I've done some
    searching and I think the most boards came from a TU10 tape drive...
    But I'm not sure. Maybe some one recognises boards which were part of something else?

    1.jpg 2.jpg 3.jpg 4.jpg

    These two Xylogics boards are some data acquisition boards I guess...
    But I'm not sure about this either. Anyone familiar with them?

    6.jpg

    This was an easy one, an RX01 controller...
    Very handy for my own drive!

    5.jpg

    And this is a set of an RK05 hard disk. So I've got that on spare for my own drive

    7.jpg

    It's quite a box full of cards and I'm really happy with it. Especially the
    cards of the tape drive. Many cards are also in the TU56 which is still
    on my wish list... But I'm really curious from where they came from...

    Regards, Roland
    WTB: Dec TU56 / Case for Altair 8800 ...... Rolands Github projects

  2. #2
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    Almost enough parts to build a TU10...
    Member of the Rhode Island Computer Museum
    http://www.ricomputermuseum.org

  3. #3
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    Those G888's will go nicely in the TU56 you're looking for as well. Nice find.

  4. #4

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    Looks like all the flip chips from a TC11 is in there. Sad that backplane is gone.

  5. #5

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    Quote Originally Posted by m_thompson View Post
    Almost enough parts to build a TU10...
    Almost indeed I'll go back to him because I'm very curious if there is any other nice stuff left...

    Quote Originally Posted by jackrubin View Post
    Those G888's will go nicely in the TU56 you're looking for as well. Nice find.
    Yes those G888 seem to be missing in these drives when there is a TC11 used.
    A fellow collector might have an incomplete TU56, so I hope I can afford it to buy it from him.

    Quote Originally Posted by MattisLind View Post
    Looks like all the flip chips from a TC11 is in there. Sad that backplane is gone.
    I thought about the TC11 in the first place also. Would be nice if anyone had
    just the back plane without cards...

    But there are several cards which seem to be TU10 specific. I'm not familiar with
    the TU10 or the TC11 but I think the TU10 can be connected directly to a PDP11?
    To me it seems the TU10 has the drive electronics and also a tape controller
    like the TC11 in it as well...

    I've checked the description of the boards at http://www.compsy.de/moduls
    From a few card's I could not find what they are...

    So I've updated my list file to list 2.txt.

    Regards, Roland
    WTB: Dec TU56 / Case for Altair 8800 ...... Rolands Github projects

  6. #6

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    Here is the module utilization for the TC11:

    Screenshot 2019-02-08 at 14.05.35.jpg

    Screenshot 2019-02-08 at 14.06.02.jpg

    Even the number of boards match very well. Missing just one M149 board.

  7. #7
    Join Date
    Sep 2006
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    Quote Originally Posted by Roland Huisman View Post
    I think the TU10 can be connected directly to a PDP11?
    TM11-EA is a 9-track master drive that has the Unibus controller in it.
    The basic TU10 has a tape formatter with an "I/O Bus" that could connect to different computer interfaces.

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