Microsoft KB Archive/51671

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FDISK Not Necessary Prior to Installing MS-DOS 4.00 PSS ID Number: Q51671 Article last modified on 01-21-1993 PSS database name: O_MSDOS

4.00 4.01


The information in this article applies to:
- Microsoft MS-DOS operating system versions 4.00 and 4.01


If you are installing Microsoft MS-DOS Packaged Product Version 4.00 on a “brand new” system, the only preparation necessary is a low-level format. Part of the MS-DOS Version 4.00 installation procedure includes partitioning of the hard disk and high-level formatting.

More Information:

After a low-level format is performed on a hard-disk system, you should place the Install Disk from the MS-DOS Version 4.00 Packaged Product in Drive A and press CTRL+ALT+DEL. Following a few disk swaps, a menu will be displayed informing you that the hard disk has not yet been prepared. The menu gives you the following two choices:

  1. Allow MS-DOS to automatically select the disk partition
  2. Allow you to choose your own partitioning scheme

Once this process is complete, you are required to reboot the system from the MS-DOS Install disk. A high-level format will then be performed, and the remainder of the installation will continue from this point in a similar fashion to an MS-DOS Packaged Product system that is being upgraded from a previous version of MS-DOS.

There is a problem with the SELECT command not using the entire hard disk. For further information about this problem, query on the following keywords:

select and confirmed and 100

Additional reference words: 4.00 4.01 noupd

Copyright Microsoft Corporation 1993.