IBM PC-DOS 3.20

IBM PC-DOS 3.20
Version of IBM PC-DOS
IBM PC-DOS 3.20.png
Version3.20
Release date1986-04-02
Replaces
IBM PC-DOS 3.10
Replaced by
IBM PC-DOS 3.21

IBM PC-DOS 3.20 is a version of PC-DOS. This version introduces support for 3½ inch double density 720 KB floppy drives.

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