Unused boxed, Apple Macintosh SE-Bus PD drive card. The box is tatty and has been opened. The Macintosh PC Drive Card provides the link between an Apple Macintosh SE or SE30 personal computer and the Apple PC 5.25 Drive. With this hardware and the Apple File Exchange program (not-included), you can convert many standard MS-DOS data files so they can be used in Macintosh applications. You can also convert Macintosh files into the MS-DOS format.