Silicon Graphics, Incorporated

Kim Gustafson

Martin M Deneroff

Michael Brown

Steven Hein

Richard T Ingebritson

Robert W Cutler

A modular computer system includes at least two processing functional modules each including a processing unit adapted to process data and adapted to input/output data to other functional modules through at least two ports with each port including a plurality of data lines. At least one routing functional module is adapted to route data and adapted to input/output data to other functional modules through at least two ports with each port including a plurality of data lines. At least one input or output functional module is adapted to input or output data and adapted to input/output data to other functional modules through at least one port including a plurality of data lines. Each processing, routing and input or output functional module includes a local controller adapted to control the local operation of the associated functional module, wherein the local controller is adapted to input and output control information over control lines connected to the respective ports of its functional module. At least one system controller functional module is adapted to communicate with one or more local controllers and provide control at a level above the local controllers. Each of the functional modules adapted to be cabled together with a single cable that includes a plurality of data lines and control lines such that control lines in each module are connected together and data lines in each unit are connected together. Each of the local controllers adapted to detect other local controllers to which it is connected and to thereby collectively determine the overall configuration of a system.

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Sunnyvale, CA, United States of America

Kim Gustafson