XDF (Extended Density Format)
From Just Solve the File Format Problem
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Latest revision as of 18:44, 1 June 2022
XDF (Extended Density Format) is a special way of formatting a PC-compatible floppy disk, so that it can store more than the usual amount of data. It was developed by IBM, and used on distribution disks for some versions of OS/2 and PC-DOS.
There are several variants of XDF. The most common seems to be the 1840KB format for what would normally be a 1.44M 3.5" floppy disk.
Simply reading a raw XDF disk image file isn't necessarily problematic. Such a file should be readable by most software that supports images of FAT filesystems, or IMA format.
[edit] See also
- DMF (Distribution Media Format) - a comparable format
[edit] Sample files
- IBM OS/2 Warp 3 Collection, e.g. Blue - 8.162 - English - Diskettes → Disk2, Disk3, ...
