The 3-inch "Compact Floppy Disk" or "CF-2" was an intended rival to Sony's 3.5" floppy system introduced by a consortium of manufacturers led by Matsushita. 3-inch "MCD-1 Micro Cassette" Īn Amstrad CPC loading a game from floppy disk Originally, Educational Microcomputer Systems (EMS) announced a system using this drive as well, but later changed plans to use 3½-inch diskette drives instead. It was also offered in limited quantity with some PDP-11/23-based workstations by General Scientific Corporation. Since August 1984, it was used in the Seequa Chameleon 325, an early CP/M-80 & MS-DOS portable computer with both Z processors. It could work with standard controllers for 5¼-inch floppy disks. The Microfloppy Disk Drive TC 500 was a single-sided quad-density drive with a nominal storage capacity of 500 KB (80 tracks, 140 tpi, 16 sectors, 300 rpm, 250 kbit/s, 9,250 bpi with MFM). ![]() The diskettes were named Dysan 3¼" Flex Diskette (P/N 802950), Tabor 3¼" Flex Diskette (P/N D3251), sometimes also nicknamed "Tabor" or "Brown" at tradeshows. ![]() Another unsuccessful diskette variant was the Drivette, a 3¼-inch diskette drive marketed by Tabor Corporation of Westland, Massachusetts, USA between 19 with media supplied by Dysan, Brown and 3M.
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