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Thread: WTB or WTT for 486 baby AT motherboard.

  1. #1
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    Default WTB or WTT for 486 baby AT motherboard.

    As the title says, I'd like to buy or trade for a decent 486 Baby AT motherboard. Doesn't need to be to fancy. I'm somewhat interested in this one due to the location of the 16bit slots and the memory slots and the onboard IDE and Floppy connectors, but I don't really need the PCI slots. I seem to remember reading that PCI slots on 486 boards were some what problematic anyway.

    I have lot's of vintage parts and such to trade. Let me know what you are looking for or name a price or both!

    Thanks

    Greg

  2. #2
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    I have a few that i have been meaning to put up for sale here. I can snap some pictures and post details if you like. they include RAM and CPUs (DX4-100 and overdrive chips IIRC). They are all late model 486 boards, so they are reasonably feature full, and I believe they are all well known/documented boards.

    Let me get some more details from them, and snap some images to post tomorrow night (I am not home tonight).

    IBM 5160 - 360k, 1.44Mb Floppies, NEC V20, 8087-3, 45MB MFM Hard Drive, Vega 7 Graphics, IBM 5154 Monitor running MS-DOS 5.00
    IBM PCJr Model 48360 640kb RAM, NEC V20,, jrIDE Side Cart, 360kb Floppy drives running MS-DOS 5.00
    Evergreen Am5x86-133 64Mb Ram, 8gb HDD, SB16 in a modified ATX case running IBM PC-DOS 7.10

  3. #3
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    Thanks Lutiana, I look forward to seeing what you have! Of coarse others are welcome to chime in as well!

    Best Regards,

    Greg

  4. #4
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    Here are the boards I have:


    Make/Model Image Link Info Other Links Notes
    BioStar MB-8433UUD-A Images Board Info and Settings Socketed Dallas RTC, probably dead. Has place for coin cell holder to soldered on.
    AT Keyboard with PS/2 mouse ports
    Everex FX-3000 Rev 1 / ECS US 3486 Images Board Info and Settings Motherboard Manual (I think) Supports both 386 and 486 Processors
    No onboard battery (has 4 pin header for external battery)
    Genoa TURBOEXPRESS 486VL Images Board Info and Settings The arm that hold the CPU down is not quite aligned, but it hold it in place without issue.
    3.6V Barrel battery shows no signs of leaking, and is holding strong at 3.6V when measured (hence it not being removed).
    Soyo 4SAW2 Images Board Info and settings Drivers/BIOS/Manuals Minor corrosion from where I removed the battery. Board works 100% though.
    There is a 4 pin header for an external battery. Corrosion will probably clean up just fine (I did not try).
    PS/2 Keyboard Connector, and PS/2 Mouse header.
    Supports a very large number of 486 based processors.

    All these boards were tested as working by me before being stored, and I will re-test before accepting money from a potential buyer.


    Let me know if you are interested in any. Shoot me a PM with an offer and we can go from there.

    IBM 5160 - 360k, 1.44Mb Floppies, NEC V20, 8087-3, 45MB MFM Hard Drive, Vega 7 Graphics, IBM 5154 Monitor running MS-DOS 5.00
    IBM PCJr Model 48360 640kb RAM, NEC V20,, jrIDE Side Cart, 360kb Floppy drives running MS-DOS 5.00
    Evergreen Am5x86-133 64Mb Ram, 8gb HDD, SB16 in a modified ATX case running IBM PC-DOS 7.10

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