Floppy Drive Controllers

One of the greatest steps forward for the microcomputer was the development of the 5.25" floppy disk drive, which replace tape for data storage.  There were a number of different vendors for floppy disk drive controllers for the Apple II and clones.

All photos courtesy of Dr. Kenneth Buchholz, Apple2Online.com, unless otherwise noted. Photos are free to use in print or online publications provided appropriate source citation is given.

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The original Disk ][ Interface Card from Apple Computer.
The Apple IO Controller that replaced the original Disk ][ Interface Card.
The Apple II 3.5″ Floppy Disk Controller Card.
Franklin Computer’s Floppy Disk Controller Card, Rev. B
Franklin Computer’s Floppy Disk Controller Card, Rev. D.
Clone of the Apple Disk ][ Drive Controller from Jameco Electronics.
The Liron Disk Controller Card from Apple Computer.
Apple Disk ][ Controller Clone from Lobo Systems.
Lobo 800 Series Disk Drive Controller.
Apple Disk ][ Drive Controller Clone from MicroSci.
Apple Disk ][ Drive Controller Clone from Quentin.
Apple Disk ][ 4-Drive Controller Clone from Rana Systems.
Fast Boot Converter from Symbiotic.
Apple Disk ][ Drive Controller Card from Unitron.
“Long” Disk ][ Drive Controller Clone from unknown manufacturer.
Another Disk ][ Drive Controller Clone from unknown manufacturer.
Disk ][ Controller Card Clone from Vista Systems.
Universal Disk Controller Card from Vtech.
Another Universal Disk Controller Card from Vtech.

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