Broadcom Inc

Using Non-transparent Bridging in PCI Express Systems

Published by Broadcom Inc

PCI was originally designed as an interconnect for personal computers; because of the nature of PCs at that time, the protocol architects did not anticipate the need for multiprocessors. Therefore, they designed the system assuming that the host processor would enumerate the entire memory space. Obviously, if another processor is added, the system operation would fail as both processors would attempt to service the system requests.

This paper outlines how to implement multiprocessor systems using industry standard practices established in the PCI paradigm.

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Related Categories Embedded, Power, Communication, Switches, Processors