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  2. Floppy disk - Wikipedia

    en.wikipedia.org/wiki/Floppy_disk

    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 ...

  3. List of floppy disk formats - Wikipedia

    en.wikipedia.org/wiki/List_of_floppy_disk_formats

    3 12 inch SHARP CE-1600F, CE-140F: 2 12 inch [2] [3] Single drive: 1, diskette: 2 16 8 512 2× 64 kB 270 GCR (4/5) Internally based on FDU-250 Micro Floppy Disk Drive Unit [2] Thomson: 5 1 ⁄ 4 inch Single 1 40 16 128 80 kB 300 FM Thomson UD90.070 Double 2 256 320 kB MFM Thomson DD90-320 [NB 17] 3 12 inch Double 1 80 16 256 320 ...

  4. History of the floppy disk - Wikipedia

    en.wikipedia.org/wiki/History_of_the_floppy_disk

    History of the floppy disk. 8-inch, 5¼-inch, and 3½-inch floppy disks. A floppy disk is a disk storage medium composed of a thin and flexible magnetic storage medium encased in a rectangular plastic carrier. It is read and written using a floppy disk drive (FDD). Floppy disks were an almost universal data format from the 1970s into the 1990s ...

  5. KryoFlux - Wikipedia

    en.wikipedia.org/wiki/KryoFlux

    Overview. KryoFlux consists of a small hardware device, [4][5] which is a software-programmable FDC system that runs on small ARM -based devices that connects to a floppy disk drive and a host PC over USB, and software for accessing the device. KryoFlux reads "flux transitions" from floppy disks at a very fine resolution. [6]

  6. Floppy disk variants - Wikipedia

    en.wikipedia.org/wiki/Floppy_disk_variants

    A Maxell-branded 3-inch Compact Floppy Disk. The floppy disk is a data storage and transfer medium that was ubiquitous from the mid-1970s well into the 2000s. [1] Besides the 3½-inch and 5¼-inch formats used in IBM PC compatible systems, or the 8-inch format that preceded them, many proprietary floppy disk formats were developed, either using a different disk design or special layout and ...

  7. Zip drive - Wikipedia

    en.wikipedia.org/wiki/Zip_drive

    The back of a parallel-port ZIP-100 with printer pass-through. The Zip drive is a removable floppy disk storage system that was announced by Iomega in 1994 and began shipping in March 1995. [1] Considered medium-to-high-capacity at the time of its release, Zip disks were originally launched with capacities of 100 MB, then 250 MB, and finally ...

  8. Commodore 64 peripherals - Wikipedia

    en.wikipedia.org/wiki/Commodore_64_peripherals

    These included the FD-Series serial bus compatible 3.5″ floppy drives (FD-2000, FD-4000), which were capable of emulating Commodore's 1581 3.5″ drive as well as implementing a native mode partitioning which allowed typical 3.5″ high-density floppy disks to hold 1.6 MB of data—more than MS-DOS's 1.44 MB format. The FD-4000 drive had the ...

  9. Commodore 1581 - Wikipedia

    en.wikipedia.org/wiki/Commodore_1581

    Commodore 1571. The Commodore 1581 is a 3½-inch double-sided double-density floppy disk drive that was released by Commodore Business Machines (CBM) in 1987, primarily for its C64 and C128 home / personal computers. The drive stores 800 kilobytes using an MFM encoding [5] but formats different from the MS-DOS (720 kB), Amiga (880 kB), and Mac ...

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