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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 ...
3.5-inch and 5.25-inch drives connect to the floppy controller using a 34-conductor flat ribbon cable for signal and control. Most controllers support two floppy drives, although the Shugart standard supports up to four drives attached to a single controller. A cable could have 5.25-inch style connectors, 3.5-inch style connectors, or a ...
Later renamed the Apple SuperDrive (G7287), the Apple FDHD Drive (Floppy Disk High Density) was introduced in 1989 as Apple's first external 1.44 MB high-density double-sided 3 + 1 ⁄ 2-inch floppy drive. It supported all of Apple's 3.5" floppy disk formats as well as all standard PC formats (e.g. MS-DOS, Windows), allowing the Macintosh to ...
In a later revision, this number was bumped up to 16 sectors per track with 6-and-2 encoding. [1] The floppy drive controller board, the "Disk II interface," [2] was built with 8 chips, one of which is the PROM, containing tables for the encoder and decoder, the state machine, and some code.
Because Apple has had a full decade to get a better handle on squeezing more power into less space, modern MacBook Air laptops come at a much lower cost — in 2023, a 13-inch MacBook Air can be ...
Internal SuperDrive floppy drive on a Macintosh LC II. The term was first used by Apple Computer in 1988 to refer to their 1.44 MB 3.5 inch floppy drive.This replaced the older 800 KB floppy drive that had been standard in the Macintosh up to then, but remained compatible [citation needed] in that it could continue to read and write both 800 KB (double-sided) and 400 KB (single-sided) floppy ...
The original Macintosh was originally intended to have a Shugart drive, then a FileWare drive, then eventually shipped with Sony's 3.5" 400k diskette drive. Although Apple planned to make FileWare drives available for the Apple II and Apple III, and announced them under the names UniFile and DuoFile (for single and dual drives, respectively ...
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 ...