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Erik
September 17th, 2010, 04:27 PM
The NEC uPD765/Intel 8272 is a floppydisk microcontroller used in the first generation of IBM PC and XT floppy disk adapters. This chip controlls general R/W operation from the host computer to a single or double density floppy disk drive. It's capable of doing either MFM or FM encoding, and automatic error/status-checking.