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An Atari 810 floppy disk drive with a worn door-open button. The toggle switch in the upper left is a user modification. The Atari 810 is the official floppy disk drive for the Atari 400 and 800, the first two models of Atari 8-bit computers. It was released by Atari, Inc. in 1980. The single-density drive provides 90 kB of storage.
Mtools is an open source collection of utilities to allow a Unix operating system to manipulate files on an MS-DOS file system, typically a floppy disk or floppy disk image. [2] [3] The mtools are part of the GNU Project and are released under the GNU General Public License (GPL-3.0-or-later).
A typical floppy disk controller sends an MFM / FM / GCR encoded signal to the drive to write data, and expects a similar signal returned when reading the drive. [6] On a write, a hardware PLL or a software-based filter component undoes the encoding, and stores the sector data as logically written by the host.
KryoFlux reads "flux transitions" from floppy disks at a very fine resolution. [6] It can also read disks originally written with different bit cell widths and drive speeds, with a normal fixed-speed drive. [7] The software is available for Microsoft Windows, [8] Mac OS and Linux. The KryoFlux controller plugs into a standard USB port, and ...
810 Disk Drive - a 5¼" floppy disk drive, single-density single-sided, 90 KB. Pre-1982 drives "have notoriously poor speed regulation", ANALOG Computing reported in 1983; unlike other companies, "ATARI did not begin incorporating a reliable separator into the 810 until early 1982". [6] 820 40-Column Printer - dot matrix on adding machine paper
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 exclusively for the Macintosh series of computers introduced in January 1984.
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 1 ⁄ 2 inch Double 1 80 16 256 320 kB 300 MFM Thomson TO9, Thomson DD09-350 Double 2 640 kB
Circuit components of the external USB SuperDisk for Macintosh. The drive itself is the same size as a standard 3.5″ floppy drive, but uses an ATA interface. On the right is the USB-to-ATA adapter, which plugs into an intermediate fan-out and power supply daughterboard that is inside the rear of the Mac drive's casing.
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