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  2. 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 ...

  3. Aster CT-80 - Wikipedia

    en.wikipedia.org/wiki/Aster_CT-80

    Among the kits sold there were also alternative floppy disk drives for TRS-80 computers. But these needed the infamous TRS-80 expansion interface, which was very expensive, and had a very unreliable floppy disk controller because it used the WD1771 floppy disk controller chip without an external "data separator". To fix this problem MCP ...

  4. Sharp MZ - Wikipedia

    en.wikipedia.org/wiki/Sharp_MZ

    They included a data recorder and at least one 3.5 internal floppy disk drive, as well as a YM2203 sound chip, hardware scrolling, and a palette of 256 colors (upgradable to 4096). This makes them among the most powerful 8-bit machines ever released for home use. Some models are also compatible with the MZ-80B and MZ-2000. MZ-2511

  5. Commodore 1571 - Wikipedia

    en.wikipedia.org/wiki/Commodore_1571

    The Commodore 1571 is Commodore's high-end 5¼" floppy disk drive, announced in the summer of 1985. With its double-sided drive mechanism, it has the ability to use double-sided, double-density (DS/DD) floppy disks, storing a total of 360 kB per floppy. It also implemented a "burst mode" that improved transfer speeds, helping address the very ...

  6. Cromemco Z-2 - Wikipedia

    en.wikipedia.org/wiki/Cromemco_Z-2

    A TU-ART (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 system. An unusual feature of the Z-2 was switch–selectable CPU speed; 250 or 500 nanosecond cycle time were available. The ZPU speed was 4 MHz at a time when less than 2 MHz was ...

  7. Korg 01/W - Wikipedia

    en.wikipedia.org/wiki/Korg_01/W

    The 01/WFD, 01/Wpro, 01WproX models had an internal 3.5" floppy disk drive that could read single-sided 720k floppy disks, custom Korg format. The sequencer of The 01/WFD, 01/Wpro, 01WproX could hold up to 47 thousand notes, several times more than the M1 but less than the T-Series.

  8. Atari XF551 - Wikipedia

    en.wikipedia.org/wiki/Atari_XF551

    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 of the XE models. It was the first drive from the company with official support for double-density and double-sided floppy disks—360 kB of storage per disk—and was also the final floppy ...

  9. TRS-80 Model 4 - Wikipedia

    en.wikipedia.org/wiki/TRS-80_Model_4

    It has all the features of the desktop Model 4 except for the ability to add two outboard floppy disk drives and the interface for cassette tape storage (audio sent to the cassette port in Model III mode goes to the internal speaker). It was sold with the two internal single-sided 180 KB drives.

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