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Thread: Model 12 BUS BOARD

  1. #31

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    Quote Originally Posted by Hans01 View Post
    @pski

    Sorry but I don't see what you want.
    Please supply a simple drawing and I'll take a look.
    Here is what I am thinking


    IMG_1176.jpg

  2. #32
    Join Date
    Feb 2014
    Location
    Netherlands
    Posts
    399

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    Hi Pete.

    It's good to see that more people are thinking about the possibilities of the new pcbs.
    It seems possible to me, but there could be some small problems with buslines 13,14,15 and 16
    They setup a daisy chain for interrupts.
    hans-03 has two jumpers on these lines to disable them, if you don't need them.
    It could be possible that you have to cross the 'in' with the 'out'. Just carefully try it.

    I have running hans-03 with a 3 slots hans-04 for a day now.
    I have the videoboard in slot 1 and hans-01 (Io-tech ide) in slot 2.
    No problems and running at the first attempt.
    With DOS 4.20 during boot the software keeps waiting for the Io-Tech.
    If I remove the DOM the boot continues, maybe a starting point to use the DOM with DOS 4.20 ??
    If I have some time I'll check the possibilities.

  3. #33
    Join Date
    Sep 2011
    Location
    Melbourne, Australia
    Posts
    910

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    After some delay, Hans-02, -03 and -04 are available for purchase.

    Email me what you need. At this stage I've just got the PCBs, am still sourcing the parts to build them up for people who would prefer to buy pre-built devices.

    (Hans-02 and -04 I have the parts and can send them out, as well as make the cable assemblies to join Hans-03 to Hans-04). Hans-03 has many parts which I don't have on hand and when I find them it may take a little while for them to arrive at this time of year...

    Talk to me, I'll see what I can make happen...

    Hans-2-3-4.jpg

    Ian.
    *There is never a charge for Tech Support even if you don't purchase from me - We are Enthusiasts Helping Other Enthusiast and that is just the way it is

  4. #34
    Join Date
    Sep 2011
    Location
    Melbourne, Australia
    Posts
    910

    Default

    Hans products added to my web site:

    http://ianmav.customer.netspace.net.au/Hans/

    Ian.
    *There is never a charge for Tech Support even if you don't purchase from me - We are Enthusiasts Helping Other Enthusiast and that is just the way it is

  5. #35
    Join Date
    Jul 2009
    Location
    Curwensville, PA
    Posts
    480

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    Can the schematics and board layouts be posted? I'd like to have them to identify unknown parts. I'm near completion with the assembly phase, still need to mount and make boot disk etc. I can't see from the pictures that are in this thread, is the power connector on the Han03 connected or is it bus powered?

    Kipp
    Looking for: Altair 8800, Ithaca Intersystems boards, software, manuals. and Jade bus probe card.

  6. #36
    Join Date
    Jul 2009
    Location
    Curwensville, PA
    Posts
    480

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    Here are some pictures of my Model 12 build. I have designed and printed a card cage so that the cards are accessible from the rear panel. The cage sides also act as spacers keeping the backplane off the aluminum. If anyone is interested I can upload the .STL files so you can print your own.
    IMG_0736.jpg
    IMG_0737.jpg
    IMG_0738.jpg

    Kipp
    Looking for: Altair 8800, Ithaca Intersystems boards, software, manuals. and Jade bus probe card.

  7. #37

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    Wow, that looks really nice!

  8. #38

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    Quote Originally Posted by kyeakel View Post
    Here are some pictures of my Model 12 build. I have designed and printed a card cage so that the cards are accessible from the rear panel. The cage sides also act as spacers keeping the backplane off the aluminum. If anyone is interested I can upload the .STL files so you can print your own.
    Kipp
    Yes, wow! Please entertain us with the details of how you created this cage. 3D printing I imagine?

  9. #39
    Join Date
    Jul 2009
    Location
    Curwensville, PA
    Posts
    480

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    Yes, I have several 3d printers. I used a MakerGear M2 to print the cage. It's actually 2 parts, a right and left half, the only difference between them is the length from the mounting holes to the edge of the plug-in card. I used Cubify Invent to build the 3d model, which then is used to create the STL files that are printed.
    I also modified the original aluminum housing to allow the cables to connect to the backplane and to allow access to the cards from the rear panel. This was done the old fashioned way, jig saw and file.

    I have now completed this portion of the build and reinstalled the video card. The machine works as before. Next step is adding the Hans-02 and lo-tech ide adapter. I will probably need to add a support frame to extend this card to meet the rails of the cage.

    Kipp
    Looking for: Altair 8800, Ithaca Intersystems boards, software, manuals. and Jade bus probe card.

  10. #40
    Join Date
    Feb 2014
    Location
    Netherlands
    Posts
    399

    Default

    @Kipp.

    Beautifull job you have done. If I had a 3d printer, more experiance and time, I would rebuild my Model 12 bus expension
    The power connector on the hans-03 is to supply power to the bus if you need extra power.
    The power connector on the hans-01 and hans-02 are to supply power to the Lo-Tech ide adapter.

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