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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 ...
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 ...
NEC PC-88 VA3 2TD drive only [8] [7] Osborne 1 [24] 5 1 ⁄ 4 inch Single 1 40 10 256 soft 100 kB 300 FM Double 5 1,024 200 kB MFM Sega SF-7000 3 inch Single 2 40 16 256 160 kB ? ? Expansion unit for SC-3000 home computer. Capacity is per side. [25] SHARP X68000: 5 1 ⁄ 4 inch High 2 77 8 1,024 1,232 kB [NB 11] 360 MFM 3 1 ⁄ 2 inch SHARP CE ...
The phrase "IBM PC compatible self-booting disk" is sometimes shortened to "PC booter". Self-booting disks were common for other computers as well. These games were distributed on 5 + 1 ⁄ 4 " or, later, 3 + 1 ⁄ 2 ", floppy disks that booted directly, meaning once they were inserted in the drive and the computer was turned on, a minimal ...
The Zip drive is a "superfloppy" disk drive that has all of the standard 3 + 1 ⁄ 2-inch floppy drive's convenience, but with much greater capacity options and with performance that is much improved over a standard floppy drive.
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Somewhat later, PC-compatible machines began using single-sided 3 + 1 ⁄ 2-inch disks with an advertised capacity of 360 KB (the same as a double-sided 5 + 1 ⁄ 4-inch disk), and a different, incompatible recording format called MFM (Modified Frequency Modulation). GCR and MFM drives (and their formatted disks) were incompatible, although the ...
The drive was invented by Martin Bodo, Bob Rosenbloom, Ken Wong, Alan Lorenz and Igor Lokhmotov. Bodo said that "Slow floppies always bugged me. I saw that all the parts of a PC were getting exponentially faster, but not the floppy disk. That was the inspiration for the X-10 project." It could read an entire floppy disk in about five seconds.