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Thread: Some points of view from Russia

  1. Default Some points of view from Russia

    https://litwr.livejournal.com/714.html
    It is a short article appeared recently. BTW the mentioned there BK home computer was capable to run limited Unix and full RT11SJ. I would like to get more information, clarifying and complementing the information given in the article about the PDP-11 family of computers in general.
    There is also PDP-11 board released recently - https://hackaday.io/project/67369-pdpii...

  2. #2

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    ISTR there were some Soviet clones of the DEC PROs too.
    I use my C128 because I am an ornery, stubborn, retro grouch. -- Bob Masse
    Machine room: http://www.floodgap.com/etc/machines.html

  3. Default

    Quote Originally Posted by ClassicHasClass View Post
    ISTR there were some Soviet clones of the DEC PROs too.
    I am not sure. BK and UKNC have unique designs. Maybe DVK has some traits of DEC PROs but it is far from being an exact clone.

    There is also https://jirkasnotes.wordpress.com/20...-sized-pdp-11/...

  4. #4

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    How about this one, the Elektronika MS-0585? It's even got a cloned VR201 on top.

    http://sovietsouvenirs.com/catalog/p...roducts_id=693
    I use my C128 because I am an ornery, stubborn, retro grouch. -- Bob Masse
    Machine room: http://www.floodgap.com/etc/machines.html

  5. #5

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    That MS-0585 is funny, the CPU hybrid carrier has 6 pins that hang off the end of the socket.

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    I could find several interesting photos. Try to find differences in those photos https://yadi.sk/a/BQA8j2xM3X5pbB/5b1...09361a6bcef971
    The quality of this cloning is close to another historical cloning of https://en.wikipedia.org/wiki/Boeing_B-29_Superfortress - https://en.wikipedia.org/wiki/Tupolev_Tu-4
    For me DEC disc drive looks very unusual.
    BTW. It is a screenshot of the best game for Electronica-585 - http://i.piccy.info/i7/1114bc57febbd...enShot_003.png - its name is Land.
    Indeed, information about that clone of DEC Pro-350 is added to the mentioned above article. Thanks.

  7. #7
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    Replacing the DEC RX50 with two normal 5.25" drives is an improvement. RX50 combines the awkwardness of having to insert one diskette upside down with an unreliable shared motor.

    I love seeing some of the cloned PDP-11s as they prove the PDP-11 could have been a viable microcomputer through the early 80s.

  8. #8

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    Quote Originally Posted by vol.litwr View Post
    It is a short article appeared recently. BTW the mentioned there BK home computer was capable to run limited Unix and full RT11SJ. I would like to get more information, clarifying and complementing the information given in the article about the PDP-11 family of computers in general.
    Readers may be interested in my article on Soviet PDP-11 clones here. There are some interesting things in that article, like the "DCJ11" chip being made by НПО Электроника instead of Harris, but the M8 board (KDJ11-A equivalent) using cache RAM made by Harris, while the DEC board uses a National Semiconductor part.

  9. Default

    Thanks. SU also cloned T11 but the most mass produced K1801VM1, 2, 3 were not exact clones of any DEC CPU.

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    Maybe this photo can be interesting - https://image.ibb.co/cC5hQp/IMG_2.jpg.
    BTW the mentioned LAND game can be used with the original DEC Pro or with xhomer emulator.

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