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  2. Floppy disk drive interface - Wikipedia

    en.wikipedia.org/wiki/Floppy_disk_drive_interface

    These cables still only supported two drives, one before and one after the twist, but they allowed using one cable for any combination of drives with differing connectors. This type of cable is called a universal cable. [8] When multiple floppy disks are connected, many pins are shared, including the read and write data pins.

  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 controller - Wikipedia

    en.wikipedia.org/wiki/Floppy-disk_controller

    A floppy-disk controller (FDC) is a hardware component that directs and controls reading from and writing to a computer's floppy disk drive (FDD). It has evolved from a discrete set of components on one or more circuit boards to a special-purpose integrated circuit (IC or "chip") or a component thereof.

  5. Parallel ATA - Wikipedia

    en.wikipedia.org/wiki/Parallel_ATA

    Some operating systems required code changes to support floppy disks with capacities far larger than any standard floppy disk drive. Also, standard-floppy disk drive emulation proved to be unsuitable for certain high-capacity floppy disk drives such as Iomega Zip drives. Later the ARMD-HDD, ARMD-"Hard disk device", variant was developed to ...

  6. FlashPath - Wikipedia

    en.wikipedia.org/wiki/FlashPath

    FlashPath is hardware compatible with all standard 3.5" High-Density Floppy disk drives, but is not a drop-in replacement for real floppy disks. A special software device driver must be installed on the computer that is to access data via FlashPath. Thus, FlashPath is only usable with computers and operating systems for which such a driver ...

  7. Disk controller - Wikipedia

    en.wikipedia.org/wiki/Disk_controller

    A disk controller is a controller circuit that enables a CPU to communicate with a hard disk, floppy disk or other kind of disk drive. It also provides an interface between the disk drive and the bus connecting it to the rest of the system. [1] [2] Early disk controllers were identified by their storage methods and data encoding.

  8. Berg connector - Wikipedia

    en.wikipedia.org/wiki/Berg_connector

    Many types of Berg connectors exist. Some of the more familiar ones used in IBM PC compatibles are: the four-pin polarized Berg connectors used to connect 3½-inch floppy disk drive units to the power supply unit, usually referred to as simply a "floppy power connector", but often also referred to as LP4. This connector has a 2.50 mm (0.098 in ...

  9. Xerox 820 - Wikipedia

    en.wikipedia.org/wiki/Xerox_820

    a floppy disk I/O card, which can control external 8" or 5.25" floppies, or a mixture of these, as configured by special external cables, and; a SCSI hard disk/floppy disk I/O card, which can control one external 8" hard drive and one to three external 8" floppy drives (these being either single- or double-sided, and either single- or double ...