Enhanced-performance floppy diskette subsystem

Details Enhanced-performance floppy diskette subsystem Enhanced-performance floppy diskette subsystem

1995-05-01

1997-10-21

Teska, Kevin J.

G06F 1312

Patent

active

056805870

ABSTRACT:
An enhanced-performance floppy diskette subsystem, which operates many times faster than a conventional floppy diskette subsystem, includes both an enhanced-performance floppy diskette drive and floppy diskette drive controller. The diskette drive rotates a floppy diskette two or more times faster than that of a conventional floppy diskette drive, and includes two separate and independent read/write ("R/W") channels. To provide enhanced-performance, the floppy diskette drive controller includes a DRAM cache that maintains an image of the data recorded on a floppy diskette present in the floppy diskette drive. Two separate and independent floppy disk drive controller channels respectively interface between the cache memory and the R/W channels included in the enhanced-performance floppy diskette drive. Operating in this way, both heads of the enhanced-performance floppy diskette drive concurrently record data from the cache onto a floppy diskette, or reproduce data from a floppy diskette for storage into the cache. To a computer program executed by a host microprocessor, the enhanced-performance floppy diskette mimics the operation of a conventional floppy diskette subsystem.

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