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power down

Discussion in 'PC Hardware' started by Allan Adler, Oct 19, 2007.

  1. If all of the tried speed/mode-set returns an error for S=1 H=0 T=0
    then the boot will fail anyway.
    The key info is in the formatted 'Sector Mark' aka DataAddressMark.

    Again, the holes in the FD-cover are just capability info and doesn't
    tell how the media is actually formatted.
    A BIOS must boot from any possible format beside IBM/M$-standards,
    and there are quite a lot of different options.

    Wolfgang Kern, Nov 10, 2007
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  2. Top Right or Bottom Left ?
    It may just depend on how one use to write the labels to it :)
    Yes, this is correct.
    But this holes are just capability infos and formatting tools
    can play within this given limits in wide variations.

    Wolfgang Kern, Nov 10, 2007
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  3. Allan Adler

    Bob Eager Guest

    I think we're actually talking about two different things. I agree with
    what you say.

    I was just saying that the BIOS has no need to read the BPB to find out
    the format of the disk. It already knows all it needs to know.
    Bob Eager, Nov 10, 2007
  4. Exact. So we finally agree, even we needed many words to find out ... :)

    Wolfgang Kern, Nov 10, 2007
  5. Flashback! That's right. I orient them the way the labels go on for 5 1/4
    disks. Haven't really used labels since the 5 1/4... but I kept the notch
    orientation. Funny... :)

    Rod Pemberton
    Rod Pemberton, Nov 10, 2007
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