Importance

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Abstract

A multi-functional device that integrates a high performance processor into a PCI to PCI bus bridge. The invention consolidates a high performance processor, a PCI to PCI bus bridge, PCI bus-processor address translation unit, direct memory acces's (DMA) controller, memory controller, secondary PCI bus arbitration unit, inter-integrated circuit (I.sup.2 C) bus interface unit, advanced programmable interrupt (APIC) bus interface unit, and a messaging unit into a single system which utilizes a local memory. The PCI bus is an industry standard high performance, low latency system bus. The PCI to PCI bridge provides a connection path between two independent 32-bit PCI buses and provides the ability to overcome PCI electrical loading limits. The addition of the local processor brings intelligence to the PCI bus bridge.

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First Claim