Requirements to Run SETUP /F from 3.5- to 5.25-Inch Drives (73414)
The information in this article applies to:
• Microsoft MS-DOS operating system 5.0
This article was previously published under Q73414
If you are using 3.5-inch Microsoft MS-DOS 5 Upgrade disks and you try to
run SETUP /F and the following conditions are true, the installation
program fails and generates one of the following messages:
• The target disk drive is 1.2 MB.
• The target disks are low density.
• the target disks are unformatted.
The SETUP /F program requires the target (destination) media to have a
capacity greater than or equal to the source media. This means that 360K
disks cannot be reliably used to create MS-DOS 5.0 floppy disks from the
720K MS-DOS 5.0 upgrade disks. The problem occurs because it is currently
impossible to detect media type of an unformatted floppy disk.
If an unformatted 360K disk is used in a high-density drive, the
installation program tries to format the disk as a 1.2 MB disk. This does
not work reliably.
If the 360K disk is already formatted or the disk drive is low density, an
error message is generated, and the Setup program is halted.
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