Docking station built for use on the Space Shuttle with modified IBM ThinkPad laptops known as Space Shuttle Payload and General Support Computers (PGSC), measuring approximately 12˝ x 15.25˝ x 3˝, labeled on the rear panel: "SED39129332-303, S/N 1029, Expansion Chassis, PGSC (486)." The chassis carries ports for "Parallel," "Video," "Serial," and "Power," with several affixed swatches of Velcro on the top, bottom, and sides.
