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Apple Computer's first floppy drive for it's popular Apple II computer was released in the summer of 1978. It was designed by Steve Wozniak and sold for $595.00 including the controller card and cable. The first drives sold were built by Shugart Drives, but in a cost cutting move Apple switched to Alps Electric Company of Japan who would build them for about half the cost of a Shugart Drive. The Disk II was the first drive to use a head tracking method known as 'soft sectoring' instead of the more traditional 'hard sectoring' method used by other manufacturers of the day.

      The Disk II drive exhibited here is one of a pair that was purchased at a flea market. They are currently displayed with the Apple II plus exhibit and were added to the museum on March 5, 2000.