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installing DOS 4.0

Discussion in 'Other PC Software' started by Jerry72, 2003/09/04.

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  1. 2003/09/04
    Jerry72

    Jerry72 Inactive Thread Starter

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    Installing DOS 4.0 on an old computer.Inserted disk # 1(installation disk).When prompted to insert a blank fisk,I inseeted a blank formatted 1.44 MB disk.Get error message: "defective disk ".Replaced with 5 different disks.Same error message.

    Jerry
     
    Jerry72,
    #1
  2. 2003/09/04
    Steve R Jones

    Steve R Jones SuperGeek Staff

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    1.44 disks didn't exist back in the 4.0 days. Need to find a 720.
     
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  4. 2003/09/05
    KevinSaul

    KevinSaul Inactive

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    You could try a 1.44 disk and put a piece of tape over the hole without the slide cover and format it as a 720.
     
    KevinSaul,
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  5. 2003/09/05
    Jerry72

    Jerry72 Inactive Thread Starter

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    OK.My questions are:
    1) Do I leave the plastic tab intact or remove it?

    2) how do I format to 720 KB?

    Jerry
     
    Jerry72,
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  6. 2003/09/05
    Steve R Jones

    Steve R Jones SuperGeek Staff

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    The "tab" is a write protection thingie. Can lockit so no other data can be written to the disk. Might try Kevin's idea or ask around. Old farts like me have a few dozen of the older floppies. Heck, I've got a bunck of 5 and 1/4 stuff.
     
    Steve R Jones,
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  7. 2003/09/05
    Jerry72

    Jerry72 Inactive Thread Starter

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    installing DOS 4.0

    I think what I need is a 720 KB floppy.Do you have one or 2 available and how much?

    Jerry
     
    Jerry72,
    #6
  8. 2003/09/05
    markp62

    markp62 Geek Member Alumni

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    The dos command to format a 1.44 as a 720 kb.
    format a: /f:720
     
    markp62,
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