APF Imagination Machine floppy disk

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File Format
Name APF Imagination Machine floppy disk
Released 1979

The APF Imagination Machine floppy disk was the disk drive for the late-1970s personal computer / game console from APF, a company that previously made calculators. The computer came with a tape drive, with the floppy disk drive being an optional add-on which cost $350 for the drive and $200 for the drive controller cartridge to run it. It is difficult to find online documentation for the disk drive, its disks, and the associated APF Imagination Machine disk file system, since these are not documented in the manuals for the computer itself as they were not included with it. The disks were 5 1/4" floppies with a rather meager storage capacity of 72 KB. One use for it was to store BASIC programs.


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