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Circuitry that controls reading from and writing to a computer's floppy disk drive
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
Floppy_disk_controller
Controller for disk storage, usually integrated into the drive
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
Disk_controller
Floppy disk drive for the Apple II computer
The Disk II Floppy Disk Subsystem, often rendered as Disk ][, is a 5 +1⁄4-inch floppy disk drive designed by Steve Wozniak at the recommendation of Mike
Disk_II
Computer storage bus
only one floppy disk drive can be connected. Floppy disk controller Floppy drive power connector Mueller, Scott (2006-03-24). "Floppy Disk Drives, Past
Floppy_disk_drive_interface
Removable disk storage medium
A floppy disk, diskette, or floppy diskette is a type of disk storage made from a thin, flexible disk coated with a magnetic storage medium. It is enclosed
Floppy_disk
Amiga floppy drive bus. Though the Amiga used MFM, the format places sectors too close together for a standard IBM PC compatible floppy disk controller to
List_of_floppy_disk_formats
common generations of floppy disks (and drives), many other floppy disk formats were developed, either using a different disk design or special layout
Floppy_disk_variants
Chipset used in Amiga personal computer
Keller, from MOS Technology, is the interrupt controller, but also includes logic for audio playback, floppy disk drive control, serial port input/output and
Amiga_Original_Chip_Set
Single-chip version of the floppy disk controller for the Apple II
single-chip version of the floppy disk controller for the Apple II. It was also employed in Macintosh computers. When developing a floppy drive for the Apple
Integrated_Woz_Machine
interface controller in CPU. In 1990s PCs, the floppy disk controller is usually integrated in super I/O chip. In older PCs, the IDE controller is usually
Storage_controller
which appears to be a standard floppy drive to the old equipment by interfacing directly to the floppy disk controller, while storing data in another
Floppy_disk_hardware_emulator
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
History_of_the_floppy_disk
Storage density for magnetic disks
Disk density is a capacity designation on magnetic storage, usually floppy disks. Each designation describes a set of characteristics that can affect the
Disk_density
American data storage company
for the first disk array sub system and in the same year, they launched their first ever data storage device: a floppy disk controller named FD 1771.
Western_Digital
External floppy disk drive by Apple
The Macintosh External Disk Drive is the original model in a series of external 3+1⁄2-inch floppy disk drives manufactured and sold by Apple Computer
Macintosh_External_Disk_Drive
1978 US microcomputer
PL/65, and Forth development system. Available hardware included a floppy disk controller and a backplane for expansion. Rockwell advertised the $375 AIM-65
AIM-65
Hardware signal sent to a processor to interrupt a running program and handle input
port controller for serial port 1 (shared with serial port 3, if present) IRQ 5 – parallel port 3 or ISA sound card IRQ 6 – floppy disk controller IRQ
Interrupt_request
Topics referred to by the same term
A-Jax (video game), a 1987 Konami arcade game Ajax (floppy disk controller), a floppy disk controller fitted to the Atari STE Ajax (programming), Asynchronous
Ajax
Line of computer workstations
Also, the MIPS Magnum R4000 had an IBM AT-compatible floppy disk controller and a single floppy drive bay. The MIPS Magnum 3000 used a MIPS R3000 processor
MIPS_Magnum
Floppy disk controller
The FD1771, sometimes WD1771, is a floppy disk controller chip, the first in a line of floppy disk controllers produced by Western Digital. It uses single
Western_Digital_FD1771
Floppy disk controller
The Cromemco 4FDC floppy-disk controller is designed to interface both 5.25- and 8.0-inch floppy disk drives to the S-100 computer bus used in Cromemco
Cromemco_4FDC
Index of articles associated with the same name
communications controller chip Peripheral DMA controller Disk controller Floppy disk controller Disk array controller, also known as a RAID controller, a type
Controller_(computing)
1977 microcomputer by Tandy Corporation
single-density floppy disk controller chip. The industry standard Shugart Associates SA-400 minifloppy disk drive was used. Four floppy drives can be daisy-chained
TRS-80
Series of modular microcomputer systems
optional keyboard. The Acorn System 3 added a floppy disk controller card, floppy disk drive, and disk operating system ROM, replacing the cassette interface
Acorn_System
Prototype computer
after Bill Gardei) CSG 4151: DMAgic DMA controller (designed by Paul Lassa) F011C: FDC (floppy disk controller, also designed by Bill Gardei) The C65 also
Commodore_65
Topics referred to by the same term
up floppy in Wiktionary, the free dictionary. Floppy usually refers to a floppy disk. Floppy may also refer to: Floppy-disk controller The Floppy Show
Floppy_(disambiguation)
East German manufacturer of computers and consumer electronics
CPU modules, RAM modules, graphics cards, magnetic tape controllers and floppy disk controllers. It was originally intended to be used to connect boards
VEB_Robotron
Encoding methods for representing data on magnetic media
coded encoding. The machine was using a Western Digital FD1781 floppy disk controller, designed by a former Sperry ISS engineer, with 77-track Micropolis
Group_coded_recording
Operating system focused on disk-based file operations
A disk operating system (DOS) is a computer operating system that requires a hard disk (HDD), floppy disk, solid-state drive (SSD), or other direct-access
Disk_operating_system
Series of networkable home computers
machine used 5.25" floppy disks. Dynamic RAM disk machines with 64 or 128 KB RAM followed soon after, with a WD2793 Floppy Disk Controller incorporated on
MicroBee
disk controller card contains: A Zilog Z80 processor running at 8 MHz 32 kibibytes of ROM 64 kibibytes of static RAM a WD1772 floppy disk controller dual
Applix_1616
Removable cartridge disk storage system
standard floppy drive.[verification needed] Zip disk housings are similar to but slightly larger than those of standard 3+1⁄2-inch floppy disks. In the
Zip_drive
only be read in floppy disk drives that are attached directly to the system by way of a floppy disk controller. Thus, USB-attached floppy drives cannot
IBM_Extended_Density_Format
Line of home computers
uses an external floppy disk controller that plugs into the side expansion port. The controller uses a WD 1791 FDC and a ROM-based disk operating system
TRS-80_Color_Computer
Process of preparing a data storage device for initial use
Disk formatting is the process of preparing a data storage device such as a hard disk drive, solid-state drive, floppy disk, memory card or USB flash
Disk_formatting
Storage medium from Imation
The SuperDisk LS-120 is a high-speed, high-capacity alternative to the 90 mm (3.5 in), 1.44 MB floppy disk. The SuperDisk hardware was created by 3M's
SuperDisk
Home computer created by Amstrad
does not support standard floppy disk drives through the built-in FDD connector, it uses a compatible floppy disk controller (a Zilog Z765a). Standard
Sinclair_PC200
Encoding method used on early floppy and hard disk drives
a method of storing data that saw widespread use in early floppy disk drives and hard disk drives. The data is modified using differential Manchester
Frequency_modulation_encoding
Main printed circuit board used for a computing device
onboard devices. Disk controllers for SATA drives, and historical PATA drives Historical floppy-disk controller Integrated graphics controller supporting 2D
Motherboard
File format representing a virtual hard disk drive
virtual machines do not emulate a floppy controller and do not support floppy disk images. VHDX (Virtual Hard Disk v2) is the successor format to VHD
VHD_(file_format)
DMA Controller/Central Arbiter, 82308 Micro Channel Bus Controller, 82309 Address Bus Controller, 82706 VGA Graphics Controller, 82077 Floppy Disk Controller
List_of_Intel_chipsets
Series of British microcomputers by Acorn
the replacement of the Intel 8271 floppy-disk controller with the Western Digital 1770: not only was the new controller mapped to different addresses, it
BBC_Micro
1981 American microcomputer model
two 5.25″ floppy disk drives, storing 160 KB per disk side for a total of 320 KB of storage on one disk. The floppy drives require a controller card inserted
IBM_Personal_Computer
Microcomputer system
peripheral circuits along with the U8272 floppy-disk controller. Direct memory access was accomplished by U858 DMA controller chip. The system featured a main
P8000
manufactured high capacity (for the time) hard-sectored 5.25-inch floppy drives and controllers, later manufacturing hard drives using SCSI and ESDI interfaces
Micropolis_Corporation
Home video game console
robot. In Japan, Nintendo released the Famicom Disk System add-on to distribute games on floppy disks, although it gradually reduced support for the peripheral
Nintendo_Entertainment_System
1982 home computer
assembled with a +2 style "datacorder" connected instead of the floppy disk controller. The power supply of the ZX Spectrum +2A uses the same pinout as
ZX_Spectrum
existence of the vulnerability was due to a flaw in QEMU's virtual floppy disk controller. VENOM is registered in the Common Vulnerabilities and Exposures
VENOM
magnetic disk storage devices from 1956 to 2003, when it sold its hard disk drive business to Hitachi. Both the hard disk drive (HDD) and floppy disk drive
History of IBM magnetic disk drives
History_of_IBM_magnetic_disk_drives
Discontinued family of computer operating systems
equipped with a Shugart Associates 8-inch floppy-disk drive interfaced via a custom floppy-disk controller. It was written in Kildall's own PL/M (Programming
CP/M
Windows, Mac OS and Linux. The KryoFlux controller plugs into a standard USB port, and allows normal PC floppy disk drives to be plugged into it. Because
KryoFlux
IBM PC compatible home computer system
compatible with those on the TRS-80 Color Computer, an IBM-standard floppy-disk controller supporting two drives, and a parallel printer port, all integrated
Tandy_1000
Feature of computer systems
built-in floppy disk controller, an IrDA infrared controller when FIR (fast infrared) mode is selected, and an IEEE 1284 parallel port controller when ECP
Direct_memory_access
Series of computers sold in Japan by NEC
Groty". www.mm1.acidcave.net. Retrieved 2025-11-14. NEC μPD72070 - Floppy Disk Controller Specification Version 2.0 (PDF). 2.0 preliminary. NEC Corporation
PC-8800_series
Family of personal computers sold by Commodore
AmigaOS and then attempt to boot from a bootable volume, such as a floppy disk or hard disk drive. Most models (excluding the Amiga 1000) come equipped with
Amiga
Video game console peripheral
proprietary floppy disks called "Disk Cards" for more affordable data storage and adds a high-fidelity sound channel to enhance audio in compatible Disk System
Famicom_Disk_System
Commodore floppy disk drive
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
Commodore_1581
Floppy disk drive
The X-10 Fastcache Floppy Drive was a 1996 floppy disk drive that read 3.5-inch floppies at ten times the speed of a standard floppy drive. The drive was
X10_accelerated_floppy_drive
File format used by Amiga computers
Amiga Disk File (ADF) is a file format used by Amiga computers and emulators to store images of floppy disks, a single hard disk volumes (partitions) or
Amiga_Disk_File
Electro-mechanical data storage device
A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical computer data storage device that stores and retrieves digital data
Hard_disk_drive
Low-bandwidth computer motherboard bus
PS/2 keyboard, PS/2 mouse, and floppy disk controller. Most PC motherboards with an LPC bus have either a Platform Controller Hub (PCH) or a southbridge chip
Low_Pin_Count
Topics referred to by the same term
Catweasel may refer to: Individual Computers Catweasel, a floppy disk controller Catweazle, a children's television series This disambiguation page lists
Catweasel
8-bit microprocessor
Programmable Interrupt Controller. 8257 – DMA Controller 8259 – Programmable Interrupt Controller 8271 – Programmable Floppy Disk Controller 8272 – Single/Double
Intel_8085
Series of color microcomputers
would stretch and be rendered useless. In 1977 they released a floppy disk controller based on the Western Digital FD1771 to support IBM 3740-style 8-inch
Compucolor
Internal expansion bus in early PC compatibles
the standard dual-function floppy disk controller and hard disk controller card for the IBM PC AT; the fixed disk controller on this card implemented the
Industry Standard Architecture
Industry_Standard_Architecture
Desktop computer developed by Xerox
from the 820: the 820 mainboard has a floppy disk controller (Western Digital FD1771) but no hard disk controller or any expansion bay capabilities, whereas
Xerox_820
Topics referred to by the same term
Dom Cabral, a Brazilian business school Floppy-disk controller, hardware that controls a computer floppy disk drive HP Flexible Data Center, a modular
FDC
Computer operating system
FAT12 filesystem on a range of 8-inch and 5.25-inch floppy disk drives on S-100 floppy disk controller hardware manufactured by Cromemco, Tarbell Electronics
86-DOS
Microcomputer released in 1982
disk controller with one or two internal 3.5" disk drives (the base system did not include a floppy disk controller or disk drives). The floppy disk controller
Sony_SMC-70
WPcom in the literature) is a technical aspect of the design of hard disks, floppy disks and other digital magnetic recording devices. It is the modification
Write_precompensation
British 8-bit microcomputer, 1977 to 1985
single density floppy disk controller card that could interfaced to either internal 5¼-inch or external 8-inch floppy disk drives. Disk capacity was 80 KB
Research_Machines_380Z
Computer storage device with no moving parts
This interface is managed by the SSD's controller and is often similar to those found in traditional hard disk drives (HDDs). Common interfaces include:
Solid-state_drive
1977–1993 series of microcomputers
second drive (without controller) retailed for $495. The Disk II single-sided floppy drive used 5.25-inch floppy disks; double-sided disks could be used, one
Apple_II
FCS—Frame Check Sequence FDC—Floppy-Disk Controller FDD—Frequency-Division Duplexing FDD—Floppy Disk Drive FDE—Full disk encryption FDDI—Fiber Distributed
List of computing and IT abbreviations
List_of_computing_and_IT_abbreviations
American computer manufacturer of the 1980s
single-sided, single-density 86k floppy format. The Kaypro 8-bit computers used the popular Western Digital FD1793 floppy disk controller; the Kaypro II, 4, 10,
Kaypro
Z80-based single-board computer
details of the operation of the system, including the CRT controller, floppy disk controller, serial communications, memory bank switching, and connector
Ferguson_Big_Board
Catweasel is a family of enhanced floppy-disk controllers from German company Individual Computers. These controllers are designed to allow more recent
Individual Computers Catweasel
Individual_Computers_Catweasel
American 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
Shugart_Associates
Line of home computers from Atari Corporation
TT030 has two MFP chips. WD-1772-PH "Western Digital Floppy Disk Controller": Floppy controller chip. YM2149F PSG "Programmable Sound Generator": Provides
Atari_ST
Office computer produced by VEB Robotron
computers of the 1980s used a clone of an Intel 8272 Floppy disk controller. The floppy controller board clearly appears to be based on the one used in
PC_1715
Memory card format
floppy disk. Indeed, the format was originally named Solid State Floppy Disk Card (SSFDC), and the physical design resembles a miniature 3.5" floppy disk
SmartMedia
Computer storage interface standard
connection is used for computer storage such as hard disks, high-capacity floppy disk variants, optical disks, and tape. The standard is maintained by the X3/INCITS
Parallel_ATA
Computer from the 1980s
(5 pin DIN) Parallel port for printer or joystick controller Floppy disk controller with floppy disk station. Supported up to 4 drives (5.25 inch). Support
Colour_Genie
Floppy drive by Apple
FileWare floppy disk drives and diskettes were designed by Apple Computer as a higher-performance alternative to the Disk II and Disk III floppy systems
Apple_FileWare
Floppy disk or optical disk drive made by Apple
a floppy disk drive and later an optical disc drive made and marketed by Apple Inc. The name was initially used for Apple's high-density floppy disk drive
SuperDrive
Portable computer released in 1983
disk controller socket to the drive connector. This capability is unused by the included single-sided Western Digital FD1793 floppy-disk controller.
Osborne_Executive
8-bit desktop computer from the early 1980s
Intel 8214 Programmable Interrupt Controller, a Motorola 6845 CRT controller, a Western Digital 1793 floppy disk controller, and a OKI MSM5832 real time clock
Visual_1050
Sales impact of premature product announcements
folded. In 1978, North Star Computers announced a new version of its floppy disk controller with double the capacity, which was to be sold at the same price
Osborne_effect
Floppy disk drive
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
Atari_XF551
Open-source x86 virtualization application
either as virtual hard disks. VirtualBox emulates IDE (PIIX4 and ICH6 controllers), SCSI, SATA (ICH8M controller), and SAS controllers, to which hard drives
VirtualBox
Historical method for giving addresses to physical data blocks on hard disk drives
tracks, physical disk formats are not necessarily cylindrical, and sector numbers in a track can be skewed. Floppy disks and controllers had used physical
Cylinder-head-sector
Type of personal computer
detect the presence of the following: ISA slots or devices; legacy floppy disk controller (FDC); and PS/2, serial, parallel, and game ports." The legacy ports
Legacy-free_PC
Class of I/O controller integrated circuits
provided by the super I/O if the motherboard has these functions: A floppy-disk controller An IEEE 1284-compatible parallel port (commonly used for printers)
Super_I/O
Floppy disk drive
The Triton Quick Disk Drive is a product that allows 2.8-inch floppy disks to be read on the Commodore 64, ZX Spectrum, MSX, Mattel Aquarius and Dragon
Triton_Quick_Disk_Drive
Personal computer by Atari
WD-1772-PH "Western Digital Floppy Disk Controller" — Floppy controller chip. Zilog 85C30 SCC "Zilog Serial Communications Controller" — Two high-speed SDLC
Atari_TT030
Old joint venture between Timex and Sinclair
that can be used as a floppy disk controller Timex FDD3000 - A "cut down" computer that can be used as a floppy disk controller (an upgraded Timex FDD)
Timex_Sinclair
(dual serial and parallel board), 4FDC Floppy Disk Controller, one or more 16KZRAM cards, and a Wangco 5¼" floppy disk drive would be added to form a basic
Cromemco_Z-2
1978 home computer system
https://www.exidysorcerer.net/index.html/viewtopic.php?t=36 Dreamdisk Floppy Disk Controller (with CP/M 2.2) was developed in Australia for the Microbee and
Exidy_Sorcerer
1982 DEC microcomputer
memory, graphics, RX-50 floppy controller. One slot was originally designed for a DMA enabled serial card, but hard disk controllers were used there instead
Rainbow_100
turbo mode. It features 128 KB of RAM, a YM2149F sound chip, a floppy disk controller, and can TR-DOS, BASIC 128, or ASIC 48. The ZXM-Phoenix was introduced
List_of_ZX_Spectrum_clones
FLOPPY DISK-CONTROLLER
FLOPPY DISK-CONTROLLER
Male
Egyptian
, disk.
Boy/Male
Teutonic American English German Shakespearean
Rules the people.
Boy/Male
German Teutonic American Dutch English
Dagger.
Surname or Lastname
English (East Anglia)
English (East Anglia) : metonymic occupational name for a fisherman or fish seller, or a nickname for someone supposedly resembling a fish in some way, from Old Norse fiskr ‘fish’ (cognate with Old English fisc).
Surname or Lastname
English and Scottish
English and Scottish : unexplained. The name has been recorded in Glastonbury, Somerset, since 1705.Perhaps a variant of Czech LiÅ¡ka, (see Liska), Slovak LÃÅ¡ka, or German Liske.
Female
English
English name derived from the flower name, from Latin papaver, which may be a reduplication of the base *pap-, POPPY means "to swell."Â
Boy/Male
Australian, Egyptian
Sun Disk
Male
Dutch
, people's ruler.
Female
English
Variant spelling of English Florrie, FLORRY means "blossoming." Compare with masculine Florry.
Girl/Female
American, Australian, British, Chinese, Christian, English, Jamaican, Latin
Poppy; Flower Name; From the Flower
Girl/Female
Norse Greek
Spirited.
Boy/Male
Swedish English
Fisherman.
Girl/Female
Norse
Spirited.
Surname or Lastname
English
English : variant of Fleury.German variant of the Huguenot name Fleury (see Flory).
Male
Egyptian
, the most lovely Disk.
Surname or Lastname
English
English : habitational name from Diss in Suffolk, which gets its name from a Norman pronunciation of Middle English diche, Old English dīc ‘ditch’, ‘dike’ (see Dyke).German : habitational name from Dissen near the Teutoburg forest.
Male
English
Anglicized form of Irish Gaelic FlaithrÃ, FLORRY means "prince-king." Compare with feminine Florry.
Male
German
 Short form of German Diederick, DIRK means "first of the people; king of nations."
Male
English
 Short form of English Richard, DICK means "powerful ruler." Compare with another form of Dick.
Girl/Female
British, English
Direction
FLOPPY DISK-CONTROLLER
FLOPPY DISK-CONTROLLER
Girl/Female
Welsh
Fair. Blessed. White browed. White circle.
Female
English
Old English name QUANDA means "companion."
Boy/Male
English Teutonic
Lives at the castle's meadow. Fortified. See also Berlyn.
Girl/Female
Tamil
Vaishnavi | வைஷà¯à®£à®µà¯€
Worshipper of Lord Vishnu
Girl/Female
Biblical
Endowed, endowing.
Boy/Male
Indian
One who shows the way
Male
Russian
Variant spelling of Russian Valeriy, VALERII means "to be healthy, to be strong."Â
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi
Lord Vishnu
Boy/Male
Tamil
Protector of fame
Boy/Male
Sikh
Victory of the Guru, Triumph of the Guru
FLOPPY DISK-CONTROLLER
FLOPPY DISK-CONTROLLER
FLOPPY DISK-CONTROLLER
FLOPPY DISK-CONTROLLER
FLOPPY DISK-CONTROLLER
n.
A flat, circular plate; as, a disk of metal or paper.
n.
A disk. See Disk.
n.
A circular structure either in plants or animals; as, a blood disc, a germinal disc, etc. Same as Disk.
v. i.
To grow dusk.
n.
The food served in a dish; hence, any particular kind of food; as, a cold dish; a warm dish; a delicious dish. "A dish fit for the gods."
a.
Rough, with short, tumultuous waves; as, a choppy sea.
imp. & p. p.
of Flop
v. t.
To make concave, or depress in the middle, like a dish; as, to dish a wheel by inclining the spokes.
n.
To expose to risk, hazard, or peril; to venture; as, to risk goods on board of a ship; to risk one's person in battle; to risk one's fame by a publication.
a.
Soaked or saturated with liquid or moisture; very wet or sloppy.
v. t.
To make dusk.
n.
To incur the risk or danger of; as, to risk a battle.
v. t.
To shut up, as in a desk; to treasure.
n.
A circular structure either in plants or animals; as, a blood disk; germinal disk, etc.
superl.
Wet, so as to spatter easily; wet, as with something slopped over; muddy; plashy; as, a sloppy place, walk, road.
v. t.
To put in a dish, ready for the table.
n.
Having a tendency to flop or flap; as, a floppy hat brim.
v. t.
To stab with a dirk.
n.
The state of being concave, or like a dish, or the degree of such concavity; as, the dish of a wheel.
n.
The lower side of the body of some invertebrates, especially when used for locomotion, when it is often called a creeping disk.