Intel Corporation

Michael V Sammarco

David E Morris

Christopher S Bonni

Frank Calabresi

Kevin P Frenette

Thomas J Melanson

Thomas E Hirsh, Iii

A system and method that enhances overall computer system performance by implementing a secondary bus infrastructure to avoid data phase transaction latencies during primary bus information transfers. In accordance with an embodiment of the invention, the system includes a first bus, coupled to a host adapter and a plurality of media adapters, and a second bus, coupled to the host adapter and a select number of media adapters. The host adapter includes a host first bus controller, coupled to the first bus, and a host second bus controller, coupled to the second bus. Each of the media adapters contain a media first bus controller, coupled to the first bus, and a select number of media adapters contain a media second bus controller, coupled to the second bus. In this configuration, information initiated as a multiple data phase transaction is transferred between the host adapter and media adapters over the first bus and information initiated as a single data phase transaction is transferred between the host adapter and the select number of media adapters over the second bus.

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Stoughton, MA, United States of America

Michael V Sammarco