(Topic ID: 178709)

NEW Bally -35 / Stern MPU-200 Repro boards

By barakandl

7 years ago


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  • 76 posts
  • 31 Pinsiders participating
  • Latest reply 6 years ago by barakandl
  • Topic is favorited by 41 Pinsiders

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    #42 7 years ago

    I'm assembling 2 of the Bally -35 repro PCBs that are found on Ebay..pretty much exact copy of the original PCB.

    Curious how much you'd sell the bare board for?

    #47 7 years ago

    Thanks. I will likely buy a board in the near future! OK, here's another question..

    I am going to need a Stern 100 type MPU for a Dracula.

    I can't find any good info for converting a -35 into a Stern 100, so have nearly given up on building a 'new' MPU for it.

    Would it be possible for me to build your PCB up in such a way as to use it in Dracula?

    #50 7 years ago
    Quoted from barakandl:

    Hi Joey,
    When the board is in Bally Mode, it will work just fine in Stern MPU100 game.
    The ROMS would be setup on 2732s at U2 and U6. That means the original 2kb ROMs would be doubled up to 4kb images.
    copy /b MPU100-U6.716 +MPU100-U6.716 MPU100-U6.732

    So, I would jumper it just like a -35 board with the E jumpers, but use the modified ROMs like you say? Hmmmmmm...

    #53 7 years ago

    I am interested in a bare PCB, as I probably have a lot of the parts, and the correct ROM chips for Dracula, if you can do that. Thanks.

    1 month later
    #71 7 years ago

    Ah geez..component values on the board is awesome. I know this wouldn't be feasible on the Quantum repro PCB I'm populating, but for something like this, it's perfect.

    I'm gonna have to place another order soon!

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