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  2. Floppy disk drive interface - Wikipedia

    en.wikipedia.org/wiki/Floppy_disk_drive_interface

    Most controllers support two floppy drives, so a cable could have 5.25-inch style connectors, 3.5-inch style connectors, or a combination. After IBM introduced the "twist" to floppy cables, and when both 5.25-inch and 3.5-inch drives were in common use, many cables had four connectors: one of each type before the twist, and one of each type ...

  3. IBM Portable Personal Computer - Wikipedia

    en.wikipedia.org/wiki/IBM_Portable_Personal_Computer

    The system featured 256 kilobytes of memory (expandable to 640 KB), an added CGA card connected to an internal monochrome amber composite monitor, and one or two half-height 5 + 1 ⁄ 4-inch 360 KB floppy disk drives, manufactured by Qume. Unlike the Compaq Portable, which used a dual-mode monitor and special display card, IBM used a stock CGA ...

  4. 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 ...

  5. Drive bay - Wikipedia

    en.wikipedia.org/wiki/Drive_bay

    8.0-inch drive bays were found in early IBM computers, CP/M computers, and the TRS-80 Model II. They were 4 + 5 ⁄ 8 inches (117.5 mm) high, 9 + 1 ⁄ 2 inches (241.3 mm) wide, and approximately 14 + 1 ⁄ 4 inches (361.9 mm) deep, and were used for hard disk drives and floppy disk drives. This form factor is obsolete.

  6. KryoFlux - Wikipedia

    en.wikipedia.org/wiki/KryoFlux

    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]

  7. List of disk drive form factors - Wikipedia

    en.wikipedia.org/wiki/List_of_disk_drive_form...

    1.8-inch drives with ZIF connectors were used in digital audio players, such as the iPod Classic, and subnotebooks. Later 1.8-inch drives were updated with a micro-SATA connector and up to 320GB of storage (Toshiba MK3233GSG). The 1.8-inch form factor was eventually phased out as SSDs became cheaper and more compact. [38]

  8. Micropolis Corporation - Wikipedia

    en.wikipedia.org/wiki/Micropolis_Corporation

    Micropolis boot diskette, as used with the Micropolis dual 5.25-inch drive to boot an IMSAI 8080.. Micropolis's first advance was to take the existing 48 tpi (tracks per inch) standard created by Shugart Associates, and double both the track density and track recording density to get four times the total storage on a 5.25-inch floppy in the "MetaFloppy" series with quad density (Drives :1054 ...

  9. 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 + 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 ...

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