deleting master boot record

Discussion in 'Computer Information' started by Pablo, Jul 8, 2004.

  1. Pablo

    Pablo Guest

    I had mandrake linux on a second hard drive, which I have just
    reformatted to FAT32. When I installed linux, LILO was installed in the
    MBR. Is it alright for me to use fdisk to remove the MBR, or will it
    mess something up?

    I'm not really sure, so I'm just checking before I do anything.

    Thanks,
    Pablo
    Pablo, Jul 8, 2004
    #1
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  2. Pablo

    VWWall Guest

    Pablo wrote:

    > I had mandrake linux on a second hard drive, which I have just
    > reformatted to FAT32. When I installed linux, LILO was installed in the
    > MBR. Is it alright for me to use fdisk to remove the MBR, or will it
    > mess something up?


    If you're not using a BIOS extension like EZBios there is no problem.
    fdisk/ mbr will rewrite the original MBR, thus removing LILO. It will
    not affect normal partitions, like those set by fdisk. fdisk /mbr will
    work only on the first drive, unless you use an un-doccumented switch.
    It's probably best to set up the drive as the master boot drive (80h)
    before running fdisk /mbr.

    Virg Wall
    --
    A foolish consistency is the
    hobgoblin of little minds,........
    Ralph Waldo Emerson
    (Microsoft programmer's manual.)
    VWWall, Jul 8, 2004
    #2
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  3. Pablo

    Pablo Guest

    VWWall wrote:
    > Pablo wrote:
    >
    >> I had mandrake linux on a second hard drive, which I have just
    >> reformatted to FAT32. When I installed linux, LILO was installed in
    >> the MBR. Is it alright for me to use fdisk to remove the MBR, or will
    >> it mess something up?

    >
    >
    > If you're not using a BIOS extension like EZBios there is no problem.
    > fdisk/ mbr will rewrite the original MBR, thus removing LILO. It will
    > not affect normal partitions, like those set by fdisk. fdisk /mbr will
    > work only on the first drive, unless you use an un-doccumented switch.
    > It's probably best to set up the drive as the master boot drive (80h)
    > before running fdisk /mbr.
    >
    > Virg Wall


    Thanks, I'll go try it later tonight.

    And...what do you mean by "undocumented switch?"
    Pablo, Jul 8, 2004
    #3
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