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Factory-sealed Apple Lisa Parallel Interface Board, retained in its original Apple Computer retail packaging. The unopened package measures 8.5 x 12.25 x 2.25, with the front displaying the board and identifying its compatibility with the Apple Lisa, while the reverse details its capabilities, including support for Apple's ProFile hard disk, Dot Matrix Printer, and other standard parallel-interface peripherals. The packaging notes that the expansion card provides two parallel ports, allows installation of up to three boards in a Lisa system, and supports as many as seven parallel devices simultaneously. In fine, factory-sealed condition, with light wear to the shrink wrap.
Introduced alongside the Apple Lisa in 1983, the Parallel Interface Board expanded the workstation's peripheral capabilities by adding dual parallel ports for connecting Apple ProFile hard drives, Dot Matrix Printers, and other compatible parallel devices. As one of Lisa's principal expansion options, it reflected Apple's vision of the Lisa as a modular professional workstation capable of supporting increasingly sophisticated business environments. Factory-sealed Apple Lisa accessories are increasingly scarce, as most were purchased for immediate installation, making unopened examples in their original retail packaging highly desirable to collectors of early Apple hardware.
