DOS booting variations

This is a discussion on DOS booting variations within the A Brief History of Cprogramming.com forums, part of the Community Boards category; My Windows HD is the primary master and my DOS HD is the secondary master. The Windows HD is FAT32 ...

  1. #1
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    DOS booting variations

    My Windows HD is the primary master and my DOS HD is the
    secondary master. The Windows HD is FAT32 (yes, I know, I
    got it from someone else). To boot Windows, which I do
    rarely, I just power up or reset the computer. To boot
    DOS, I use a bootable disk with config and autoexec on it,
    referencing only system files on the C: drive and setting
    comspec to C:\dos. It works fine. But what if I wanted
    to put a DOS partition and a Windows partition on the same
    hard drive? How would that be done?

    Miki
    ustuzou@sympatico.ca

  2. #2
    Fingerstyle Guitarist taylorguitarman's Avatar
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    You would need to partition the drive. You can use utilities like fdisk to do this but you run the risk of losing your data on the drive. So this is really only if you're going to start from scratch. Otherwise, there are products like PartitionMagic that can do the repartitioning safely for you. There are also some restrictions on how the drive must be layed out for everything to work as well. Mainly a 1024 cyclinder restriction for bootable partitions.
    If a tree falls in the forest, and no one is around to see it, do the other trees make fun of it?

  3. #3
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    Originally posted by taylorguitarman
    You would need to partition the drive. You can use utilities like fdisk to do this but you run the risk of losing your data on the drive. So this is really only if you're going to start from scratch. Otherwise, there are products like PartitionMagic that can do the repartitioning safely for you. There are also some restrictions on how the drive must be layed out for everything to work as well. Mainly a 1024 cyclinder restriction for bootable partitions.
    Thanks. Would I install Windows first, then put the DOS
    system files in the extended partition and boot off floppy
    with reference to that partition? I don't think DOS would
    care where command.com was located

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