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  1. Technology
July 19, 1987


By CBR Staff Writer

Hitachi Ltd is promising Unisys Corp a 15 MIPS uniprocessor as the successor to the 1100/90 mainframe, double the performance of the present 1100/90 CPU, reports our Tokyo correspondent. Hitachi has been commissioned to build the instruction processor for the forthcoming machine, dubbed the Super 90. The basic design is now complete and work is being transferred to Hitachi’s plant in Kanagawa for development of the custom circuitry and mounting of the components on a multi-layer circuit board. The CPU board will be combined with a cooling system and shipped to Unisys, which will then integrate it with input-output, memory and communications controllers. A four-processor Super 90 will deliver about 50 MIPS; large 1100s have been configured with up to six processors.

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