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  1. #1
    Platinum Lounger
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    Low Level Format

    I've got a HD here which needs some serious talking to. Trouble is, I've totally forgotten the bios address entry point for the low level format, I thought it was at C800:0008, bit it isn't. Does anyone know ?

    TIA,
    Cheers, Claude.

  2. #2
    Uranium Lounger viking33's Avatar
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    Re: Low Level Format

    <img src=/S/claude.gif border=0 alt=claude width=21 height=21>
    I don't know either, but out of curiousity, why do you need the bios address entry point for low level format? <img src=/S/question.gif border=0 alt=question width=15 height=15>

    Bob
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  3. #3
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    Re: Low Level Format

    Because I've got nothing to work with on that computer other than a floppy boot disk, so I've gotta go in via debug <img src=/S/sigh.gif border=0 alt=sigh width=15 height=15>
    Cheers, Claude.

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    Uranium Lounger
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    Re: Low Level Format

    Claude, as I recall it can vary based on the manufacturer of the hard drive. If memory serves (it's been a while) the most common was C800:5.

    Some common ones that I had stashed away in my notes, just in case:

    <UL><LI>Adaptec G=C800:ccc or G=C800:6
    <LI>Scientific Micro Systems/OMTI G=C800:6
    <LI>Seagate G=C800:5
    <LI>Western Digital G=C800:5[/list]<img src=/S/sigh.gif border=0 alt=sigh width=15 height=15> Using Windows over the years has made me lazy. Try looking at the segement offsets between C000:0000 and EC00:0000 in increments of 0400 to see if you can spot something looking like a hard drive's BIOS signature (such as "©Western Digital" or something similar). Linux sites have a lot of information on this too, if you're none of this helps.
    -Mark

  5. #5
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    Re: Low Level Format

    Thanks Mark.

    What used to be a 512Mb HD (no idea why???) is now back to being a 6.8 Gb drive, even the BIOS detects it as such.
    Cheers, Claude.

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