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Thread: NEW MEGACHIP PLCC version for A500/2000/CDTV!

  1. #1
    Tuxbar81's Avatar
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    Exclamation NEW MEGACHIP PLCC version for A500/2000/CDTV!

    Hello,

    Here is my new version of Megachip. This is a PLCC version as you can see onto the pictures.

    With this version:
    - no need to desolder the socket of your Amiga motherboard,
    - no need to solder the Megachip onto the motherboard,
    - no need to solder the wire.

    You have just to remove the AGNUS of your Amiga, to insert the Megachip into the AGNUS socket, to connect the mini-clip onto the PIN 36 of GARY, and to change configuration of jumpers onto the Amiga's motherboard.

    It can be installed into the Amiga 500, Amiga 2000 & CTDV.

    10 pcb available!


    Price: 120€ (Paypal to friend & family) excluding shipping costs.

    The Megachip is sent assembled, ultrasonic cleaned and tested.

    Some members have asked for kit version. I'll take a look for this possibility.

    For NTSC AMIGA: I have no NTSC AGNUS in stock. If you are interested, you'll have to provide the AGNUS chip, or you'll have your Megachip as kit to assemble it by yourself.

    Regards,
    Franck

    Click image for larger version. 

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    Name Quantity PM sent Paid Sent on
    Miru (USA) 1 YES YES 05/14/2019
    alke01 (Germany) 1 06/30/2019 YES 02/07/2019
    Franko (Poland) 1 06/30/2019 YES 02/07/2019
    Yulquen74 (Norway) 2 07/21/2019 YES
    Doma (Norway) 1
    matt020 (Australia) 1
    Vypr (Scotland) 1
    frost242 (France) 1
    hlide(France) 1
    Technoid (Sweden) 1
    unbrain (UK) 1
    Rave (UK) 1
    Rakeim132 (Australia) 1
    Chatopirulo (Spain) 1
    ChadsArcade (UK) 1
    gone2ray (UK) 2
    Dellamorte (Scotland) 1

    Last edited by Tuxbar81; 21st October 2019 at 22:22.
    Amiga Fan since 1987!
    Something wonderful has happened... My Amigas are (always) alive!
    A1000 - A1000 + IDE68K V401 - 2 x A500 + A590HD - A 600HD - A 2000 CSA 68020/68882 + A2058 + GVP A2000-HC - A 1200 HD - A 4040 - CD32 - finished GBA1000 - C64 - 1 Aros PC - Some PC under Linux

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    This looks very interesting. One question - does the wire have a spring clip to attach the pin, a riser socket with the wire attached that sits under the chip, or must we solder the wire? If one of the first 2 this would make this perfect for people who can't, or are uncomfortable, solder. The spring clips are super cheap and might be a the easiest solution.

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    Tuxbar81's Avatar
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    Yes, a mini-clip is soldered at the end of the wire to allow an easy removing of the Megachip for example.
    With this solution, the only operations are config modifications of jumpers onto the Amiga motherboard.
    Amiga Fan since 1987!
    Something wonderful has happened... My Amigas are (always) alive!
    A1000 - A1000 + IDE68K V401 - 2 x A500 + A590HD - A 600HD - A 2000 CSA 68020/68882 + A2058 + GVP A2000-HC - A 1200 HD - A 4040 - CD32 - finished GBA1000 - C64 - 1 Aros PC - Some PC under Linux

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    Quote Originally Posted by Tuxbar81 View Post
    Yes, a mini-clip is soldered at the end of the wire to allow an easy removing of the Megachip for example.
    With this solution, the only operations are config modifications of jumpers onto the Amiga motherboard.
    Perfect for fumble fingers like mine Might want to include that in the description and a picture.

  5. #5
    Tuxbar81's Avatar
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    First post updated with picture of the Megachip with its mini-clip as suggered by Pgovotos.
    Amiga Fan since 1987!
    Something wonderful has happened... My Amigas are (always) alive!
    A1000 - A1000 + IDE68K V401 - 2 x A500 + A590HD - A 600HD - A 2000 CSA 68020/68882 + A2058 + GVP A2000-HC - A 1200 HD - A 4040 - CD32 - finished GBA1000 - C64 - 1 Aros PC - Some PC under Linux

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    Declaring interest in one if this works in PAL A 2000 as well, pm sent

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    Tuxbar81's Avatar
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    Hi Miru,

    Yes, the Megachip works fine in PAL A2000 like mine.

    - - - Updated - - -

    PM answered.
    Last edited by Tuxbar81; 7th May 2019 at 14:03.
    Amiga Fan since 1987!
    Something wonderful has happened... My Amigas are (always) alive!
    A1000 - A1000 + IDE68K V401 - 2 x A500 + A590HD - A 600HD - A 2000 CSA 68020/68882 + A2058 + GVP A2000-HC - A 1200 HD - A 4040 - CD32 - finished GBA1000 - C64 - 1 Aros PC - Some PC under Linux

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    I would be very interested, but unfortunately this wont fit in my case.
    I own an A2000 Rev. 6.2 Board with a memory tower (Tokuda-Tower).

    As you can see in the pictures below even an icomp ACE2 wont fit.
    Attached Thumbnails Attached Thumbnails P1060743_klein.jpg   P1060744_klein.jpg  
    Last edited by 74smoky; 7th May 2019 at 14:42.

  9. #9
    Tuxbar81's Avatar
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    What is the minimum height necessary so that the pcb of the megachip does not touch the small pcb soldered to the motherboard of your A2000?
    The pcb of my megachip is 5 mm above the agnus support.

    The total height of the plcc adaptor is 1 cm.

    If this is not appropriate, there is the solution of this version of Megachip:
    http://www.amibay.com/showthread.php...000-CDTV-30%80

    But in that case, it's necessary to desolder the AGNUS socket and to solder the Megachip at its place.
    Amiga Fan since 1987!
    Something wonderful has happened... My Amigas are (always) alive!
    A1000 - A1000 + IDE68K V401 - 2 x A500 + A590HD - A 600HD - A 2000 CSA 68020/68882 + A2058 + GVP A2000-HC - A 1200 HD - A 4040 - CD32 - finished GBA1000 - C64 - 1 Aros PC - Some PC under Linux

  10. #10
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    I measured the height of the Tokuda-Tower to 8,65 mm (to the pcb base).

    and the height of the AGNUS PLCC socket to 8,2 mm.
    Last edited by 74smoky; 7th May 2019 at 15:36.

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