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Thread: A4000TX ATX Amiga motherboard

  1. #91
    Amibayer! hese's Avatar
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    Quote Originally Posted by ITzTravelInTime View Post
    i really like this project and as other people said i'd like to build one of those one day. So do you have considered to sell the boards and/or some motherboards kits or to pubblicly distribute the schemes and the bill of materials, firmware and what's needed to build one of those by our self?
    At the moment I'm still gathering cash by selling the prototype PCBs here on Amibay so I can fund the first batch of rev 1.1 PCBs.

    I will be selling only blank PCBs and provide the BOM, firmware, etc. so people can assemble the boards themselves.

  2. #92
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    Quote Originally Posted by hese View Post
    I will be selling only blank PCBs and provide the BOM, firmware, etc. so people can assemble the boards themselves.
    I assume AGA Alice and Lisa chips are required. Are these source-able without cannibalizing other Amigas (A4000/A1200/CD32)?

    Are there other difficult to source chips on the BOM?

  3. #93
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    Default really intersted

    Fantastic job, I'm really interseted.

  4. #94
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    Quote Originally Posted by hese View Post
    Thanks for the input, much appreciated. The plan is to add 112MB Fast RAM hack to the rev 2.0 without additional boards but do you guys know if these hacks (64MB or 112MB) have incompatibility issues with some hardware or software? Either I could hardwire the hack to the board or make it toggleable via a jumper.

    As the latest picture I posted, the board is quite dense with traces so adding more features to the board will require more space than what I can get with 4 layers using the current form factor. I'd rather do a board that has all planned features integrated on the motherboard itself than adding features with extra boards.
    I am using the 64MB Hack at the min as I haven't got round to doing 112MB yet. I have not found any issues with it.

    The good thing with the 112MB one is you only need one or two simm sockets. This would free up a bit of space.

  5. #95

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    Hello.
    I wanted to find out about this project.
    I hope it is doing well.
    Is the production board near its release date?
    Also, is this the main project site?
    I look to buy one this or next year.
    Congratulations.

  6. #96
    Amibayer! timtheloon's Avatar
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    Quote Originally Posted by Trekiej View Post
    Hello.
    I wanted to find out about this project.
    I hope it is doing well.
    Is the production board near its release date?
    Also, is this the main project site?
    I look to buy one this or next year.
    Congratulations.
    hese has released the prototype version and it is for sale here

    http://www.amibay.com/showthread.php...prototype-PCBs
    Last edited by timtheloon; 27th October 2018 at 23:56.

  7. #97
    eteP's Avatar
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    hese wrote above (post #91) that he wants to sell the prototype boards before moving on with the project.


  8. #98
    Amibayer! kirk_m's Avatar
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    I'm definitely interested in building this once the 1.1 boards are out. It was a lot of fun building the Alice 4000+, and this one looks to be considerably easier to construct with the use of resistor networks versus all the birdseed!

  9. #99

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    Thanks Tim. and etep.
    How would you rate the protoboard?
    Does it appear to be stable, etc?

  10. #100
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    I look forward to purchase a final board once available. Is there a way to make/purchase a backplate for this?
    Last edited by TheDeep74; 9th November 2018 at 11:22.

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