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Each generation of floppy disk drive (FDD) began with a variety of incompatible interfaces but soon evolved into one de facto standard interface for the generations of 8-inch FDDs, 5.25-inch FDDs and 3.5-inch FDDs. [1]
When the controller and disk drive are assembled as one device, as it is the case with some external floppy disk drives, e.g., Commodore 1540 and USB floppy disk drives, [27] the internal floppy disk drive and its interface are unchanged, while the assembled device presents a different interface such as IEEE-488, parallel port or USB.
The 8" floppy disk drive interface standard as developed from the Shugart Associates drives involved a 50-pin interface and a spindle motor that ran directly from the A/C line and spun constantly. Other later models used a DC motor with corresponding changes to the interface to start and stop the motor.
8-inch floppy disk, inserted in drive, (3½-inch floppy diskette, in front, shown for scale) 3½-inch, high-density floppy diskettes with adhesive labels affixed The first commercial floppy disks, developed in the late 1960s, were 8 inches (203.2 mm) in diameter; [4] [5] they became commercially available in 1971 as a component of IBM products and both drives and disks were then sold ...
Shugart Associates (later Shugart Corporation) was a computer peripheral manufacturer that dominated the floppy disk drive market in the late 1970s and is famous for introducing the 5 + 1 ⁄ 4-inch "Minifloppy" floppy disk drive. In 1979 it was one of the first companies to introduce a hard disk drive form factor compatible with a floppy disk ...
KryoFlux reads "flux transitions" from floppy disks at a very fine resolution. [6] It can also read disks originally written with different bit cell widths and drive speeds, with a normal fixed-speed drive. [7] The software is available for Microsoft Windows, [8] Mac OS and Linux. The KryoFlux controller plugs into a standard USB port, and ...
The connection is used for storage devices such as hard disk drives, floppy disk drives, optical disc drives, and tape drives in computers. The standard is maintained by the X3/INCITS committee. [1] It uses the underlying AT Attachment (ATA) and AT Attachment Packet Interface standards.
The "TIB 001" was a 3.5″ floppy drive that connected to the Commodore 64 via the expansion port, meaning that these drives were very fast. The floppy disks themselves relied on an MS-DOS disk format, and being based on cartridge allowed the Commodore 64 to boot from them automatically at start-up.