IMA

IMA is a format for raw floppy-disk dumps. A number of different disk formats can be expressed in this manner, but it is most commonly used for 1.44 MB PC format 3.5" floppy disks.

This format is supported by Winimage, among other software.

Sample files

 * Magazine cover disk from the 1990s, at Internet Archive

Software

 * Winimage

Other links

 * Wikipedia article