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US$495. The Macintosh External Disk Drive is the original model in a series of external 3⁄ -inch floppy disk drives manufactured and sold by Apple Computer exclusively for the Macintosh series of computers introduced in January 1984. Later, Apple unified their external drives to work cross-platform between the Macintosh and Apple II product ...
List of floppy disk formats
Disk II drives. 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 Markkula, and manufactured by Apple Computer It went on sale in June 1978 at a retail price of US$495 for pre-order; it was later sold for $595 (equivalent to $2,780 in 2023) including the controller card (which can ...
An external 5.25-inch floppy drive, matching the style of the IIc, was also made available. Later, 3.5-inch floppy storage became an option with the "intelligent" UniDisk 3.5 which contained its own miniature computer inside (CPU, RAM, firmware) to overcome the issue of using a high-speed floppy drive on a 1 MHz machine.
In addition, an external floppy disk drive may also be connected, making the SE the only Macintosh besides the Macintosh Portable which could support three floppy drives, though its increased storage, RAM capacity and optional internal hard drive rendered the external drives less of a necessity than for its predecessors. Single-floppy SE models ...
History of the floppy disk
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