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Thread: 26 Pin Floppy Drives

  1. #1

    Default 26 Pin Floppy Drives

    Picked up a couple of 3.5" FDD drives, and didn't notice until later they have 26 pins instead of the usual 34. Read some posts here in the forum about adapting a 26 pin cable to a standard 34 pin drive, and even see some ready made adapters online.

    Has anyone ever tried the opposite?

    Also, what native systems were these created for? I'm seeing older Toshiba/Sony laptops. Anything else?

    Considering the number of 26-to-34 adapter postings, are these drives unicorns?
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  2. #2
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    IIRC, the original Sony 0A-D30 3.5" drive used a 26-pin interface. I seem to recall that it didn't exactly match up with later 26-pin 3.5" floppies.

  3. #3

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    Yeah these look more modern like a 34-pin drive, so guessing they're the later models.
    IMG_2478.JPGIMG_2479.JPGIMG_2480.JPG
    “The Bex religious impulse does have its collective side. As in, collect everything and hold on to it whether you remember where it came from or not.”
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    I also believe that the 1/6th height drives e.g. Teac FD05 all use a 26 pin connection and used in laptops and notebooks all over the place. Also part of the Teac FD-505 "Combo" drive, which is pretty much a combination of an FD-05 and an FD-105.

  5. #5

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    Quote Originally Posted by normanator View Post
    Also, what native systems were these created for? I'm seeing older Toshiba/Sony laptops. Anything else?
    Lots of older Compaq's used the 26-pin FDD

  6. #6
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    My Austin and AMS laptops use the same thing, but only Citizen W1D floppy drives are accepted.

  7. #7

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    I also looked into 26 pin drives recently, as I thought it would be neat to use two of them in the space that a standard 1/2 height 5.25 inch drive uses. The adapters all seem to go the wrong way .. I want to use the 26 pin drive on a 34 pin system.

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    My Tektronix TDS360 scope has a 26-pin slim 3.5" drive; I have an HxC Slim to put in it, just haven't done so yet.

    I have a couple of combo 5.25/3.5" drives where the 3.5 has a 26-pin flat cable connection to the interface board on the 5.25 drive. I think one was in a Compaq DeskPro 386. Not original equipment, more than likely.
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    I've got one such drive in an SD card+USB hub 5.25" insert that uses a 26 flex to 34 pin header. You might look for one of those.

  10. #10

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    My Amstrad 5286HD has a 26-pin 3.5" floppy drive; it's a slim Citizen U1DA-38A. It's a desktop, not a laptop, but definitely much smaller than most desktops of the era.

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