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Thread: 5 1/4" Floppy Drive Woes

  1. #1
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    Default 5 1/4" Floppy Drive Woes

    One of my 5 1/4" Drives isnt reading disks...

    When you power on the computer, the system checks both floppy drives (3 1/2 and 5 1/4). The 5 1/4" Drive head moves up and back on the rails during floppy seek.

    Once the system is booted and you insert a disk (1.2 MB Disks in 1.2 MB Drive), the disk spins but the Drive Head does nothing, it just sits there. I cleaned it carefully with cotton swap and some 91% isopropyl but it didnt make a difference...

    Anything I can check / modify on the drive to try and get it working?
    "In Life, The Days Are Long But The Years Are Short..."

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    ITs a Mitsubishi MF504C-318UG
    "In Life, The Days Are Long But The Years Are Short..."

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    Get a copy of ImageDisk and try some of the tests--see if you can step the carriage in and out.

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    Oh--and see this thread.

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    Ha, I checked that thread earlier before I posted and everything seems fine and setup right.

    For ImageDisk, does that go on a floppy? My Drive wont read any disks, so not sure how I'd get that to run. Or would I install it on my PC and run the tests>
    "In Life, The Days Are Long But The Years Are Short..."

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    You need to put it on a hard drive--or at least load it into memory using DEBUG and then execute it. There's really nothing to install--it's just a couple of programs.

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    Sorry for not responding...got the flu....

    Issue ended up being the 8-Bit ISA FLoppy Controller card I had in the system. Pulled it out and put a standard 16-Bit ISA Controller card in and the Floppy Drives worked fine. The issue could also have been that the BIOS had the drives listed for A and B and then the Floppy controller BIOS would run and also list the same A and B...but I didnt notice that until after I had swapped cards....working now though!

  8. #8
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    Quote Originally Posted by Smack2k View Post
    Sorry for not responding...got the flu....

    Issue ended up being the 8-Bit ISA FLoppy Controller card I had in the system. Pulled it out and put a standard 16-Bit ISA Controller card in and the Floppy Drives worked fine. The issue could also have been that the BIOS had the drives listed for A and B and then the Floppy controller BIOS would run and also list the same A and B...but I didnt notice that until after I had swapped cards....working now though!
    Smack - hope you're feeling better but next year get the shot.
    Surely not everyone was Kung-fu fighting

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