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  2. List of floppy disk formats - Wikipedia

    en.wikipedia.org/wiki/List_of_floppy_disk_formats

    5 14 inch Single 1 35 10 256 soft 88 kB 300 FM Model 1/3/4 5 14 inch Double 1 40 18 256 180 kB MFM Model 1/3/4P 5 14 inch Double 2 40 18 256 360 kB MFM Model 4D 8 inch Double 1 77 26 256 500 kB MFM Model 2 3 1 ⁄ 2 inch Single 1 40 2 1,280 100 kB [28] FM Tandy Portable Disk Drive (aka Brother FB-100, knitking FD-19) 3 1 ⁄ 2 ...

  3. 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 ...

  4. 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 ...

  5. Disk II - Wikipedia

    en.wikipedia.org/wiki/Disk_II

    Disk II drives. The Disk II Floppy Disk Subsystem, often rendered as Disk ][, is a 5 + 14-inch floppy disk drive designed by Steve Wozniak at the recommendation of Mike Markkula, and manufactured by Apple Computer It went on sale in June 1978 at a retail price of US$495 for pre-order; it was later sold for $595 (equivalent to $2,780 in 2023) including the controller card (which can ...

  6. History of the floppy disk - Wikipedia

    en.wikipedia.org/wiki/History_of_the_floppy_disk

    By 1988, the 3 + 1 ⁄ 2-inch was outselling the 5 + 14-inch. [69] In South Africa, the 3 + 1 ⁄ 2-inch format was generally called a stiffy disk, to distinguish it from the flexible 5 + 14-inch format. [70] [71] The term "3 + 1 ⁄ 2-inch" or "3.5-inch" disk is and was rounded from the 90 mm actual dimension of one side of the ...

  7. Atari XF551 - Wikipedia

    en.wikipedia.org/wiki/Atari_XF551

    The XF551 is a 5 1/4 inch floppy disk drive produced by Atari, Inc. for the Atari 8-bit computers. Introduced in 1987, it matches the gray design language of the XE models. It was the first drive from the company with official support for double-density and double-sided floppy disks—360 kB of storage per disk—and was also the final floppy ...

  8. Shugart Associates - Wikipedia

    en.wikipedia.org/wiki/Shugart_Associates

    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 + 14-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 ...

  9. Write protection - Wikipedia

    en.wikipedia.org/wiki/Write_protection

    3 + 1 ⁄ 2-inch floppy disks have a sliding tab in a window on the right side (open = protected). Iomega Zip disks were write-protected using the IomegaWare software. Syquest EZ-drive (135 & 250 MB) disks were write-protected using a small metal switch on the rear of the disk at the bottom.

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