Space Shuttle Data Entry Keyboard Prototype, measuring 4.75˝ x 7.25˝ x 6.5˝, with an IBM/Rockwell label on the top: "CII MC615-0007-0202, Serial No. 2, Contract No. NAS9-14000, Model Type: Prototype, Part No. 6245400-2." The sides are marked "Eng. Test Only" and the rear features three ports and a deaccession label. Featuring an alphanumeric push-button lighted keypad, the Space Shuttle Data Entry Keyboard allowed crew to input data to the Space Shuttle Primary Avionics Software System (PASS) running in the General Purpose Computers (GPCs). One keycap is missing from the unit.
