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Thread: mbr and partition table recovery

  1. #31
    Senior Member
    Join Date
    Aug 2006
    Location
    India
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    289
    Thanks, I have one hard disk which went bad some nice time ago. I will check things on that.

    Thanks a lot.
    "Everything should be made as simple as possible, but not simpler."

    - Albert Einstein

  2. #32
    Just Another Geek
    Join Date
    Jul 2002
    Location
    Rotterdam, Netherlands
    Posts
    3,403
    Alright, I need to formally apologize

    I did some digging on my own too. It seems the format command before MS-DOS 5.0 would overwrite all data with 0xF6. After 5.0 they introduced a "safe" format, meaning it would just clear the file/block allocation tables and clears the directory entries. They also added the unformat command to restore it again in case of an accidental format. To use the "old" style format (which overwrites the data) you can use the /u option.

    NT, 2K, XP etc still don't overwrite any previous data (so it's recoverable) and it looks like Vista does overwrite (destroying anything that was on that partition).
    Oliver's Law:
    Experience is something you don't get until just after you need it.

  3. #33
    Senior Member WolfeTone's Avatar
    Join Date
    Jun 2007
    Location
    Ireland
    Posts
    197
    No need to apilogise at all SirDice.

    It lead to an interesting discussion which will all learned from, I know I certainly did.

    Wolfe

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