Floppy drives have particularly low-level interfaces, offering up little more than a few signals to indicate the position of the head on the disk, and pulses to indicate changes in magnetic flux.

Ahh, floppy disks ... where multiple drives have written in slightly different places, and the read heads are picking up these errant areas even after the write head starts to format?

Sony was the last Japanese manufacturer of 3.5-inch floppy discs, but other vendors such as Imation and Maxell still offer them. The discs and the drives ... director for the magnetic tape ...

In the late 1980s, 5.25" drives came out with 20, 44 and 90MB capacities, and later, 150MB and 230MB. Unlike a hard disk in which the read/write head flies over a rigid disk, the Bernoulli floppy ...