How many boot sectors have I

By markh
Oct 26, 2010
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  1. I have a multi boot system with XP on two of my four partitions. The partitions with no o/s I use for storing documents.
    Q. how many boot sectors do I have, have I one on each partition or only on the partitions with an o/s installed on them.

  2. jobeard

    jobeard TS Ambassador Posts: 11,166   +986

    One MBR in cylinder 0, Head 0, sector 0; this sector can not be remapped - - it is always read first

    There is also a "boot" sector (relative sector 0) in each partition. You can see this
    in operation when
    1) the MBR may have a multi boot option and when you select one
    2) you get a secondary choice, eg Linux kernel choice A vs B
  3. markh

    markh TS Rookie Topic Starter

    Nice reply jobeard, many thanks

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