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3.5" Floppy Disk Drive Question

Discussion in 'Electrical Engineering' started by Scott H., Jul 14, 2003.

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  1. Scott H.

    Scott H. Guest

    Hello,

    I am looking for information on what the pins on a standard IDE 3.5" floppy
    disk drive do. That is, I know that pin 20 is "Step Pulse", pin 22 is
    "Write Data", pin 8 is "Index", etc., but I cannot find information on what
    the pin's functions are. I need the information so I can build a circuit
    that can read/write data from/to the drive. I've have looked all over the
    place for the information, including the Internet and a major research
    library but I have been unsuccessful. If anyone knows what the pins on a
    standard IDE 3.5 inch floppy disk drive do or could offer any advice on any
    resource to check, I would greatly appreciate it. Thank you in advance for
    any help.

    Thanks,
    Scott H.
     
  2. Some One

    Some One Guest

    Uhm...

    Just get a controller chip and use that... it's why they exist.

    BTW, most of the pin labels are pretty self explanetory. "Step Pulse"
    is a pulse telling the drive to step the head. "Index" pulses when the
    index hole makes one revolution, etc.
     
  3. HiJaak!

    HiJaak! Guest

    This is what came out of google in less than a minute:

    http://www.lysator.liu.se/amiga/hard/guide/A4000Hardware.guide?Internal Floppy Connector Pin-Outs

    http://wonkity.com/~wblock/a4000hard/connpins.html

    Good luck,

    HiJaak!

    PS: The Amiga interface is the same as the PC interface.
     
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