. The unit is one of the earliest production models made and is classified as an engineering test unit. The interior of the unit has substantial gold plating. The Shuttle computer system is made up of 3 major components, the IOP, the central processing unit, and mass memory unit. The Shuttle's first generation computers had five systems, mainly for redundancy. [With:] Copies of schematics of the IOP, CPU, mass memory, CRT display system." /> [SPACE SHUTTLE COMPUTER]. Input/Output Processor [IOP] of the Shuttle computer system. <I>Approx. 10 in. wide, 8 in. tall, and 20 in. long with 7 data ports and two handles with ID tag: "MFG by IBM Corp. for Rockwell Int. Space Division, MC615-0001-0094, Contract No. - NAS9-14000, Part No. 6247300-211, Date of MFG - 2/10/78"</I>. The unit is one of the earliest production models made and is classified as an engineering test unit. The interior of the unit has substantial gold plating. The Shuttle computer system is made up of 3 major components, the IOP, the central processing unit, and mass memory unit. The Shuttle's first generation computers had five systems, mainly for redundancy. [With:] Copies of schematics of the IOP, CPU, mass memory, CRT display system. | Christie's