Previous Chapter

The previous chapter described performance advantages and key features of the PCI Express (PCI-XP) Link. To highlight these advantages, the chapter described performance characteristics and features of predecessor buses such as PCI and PCI-X buses with the goal of discussing the evolution of PCI Express from these predecessor buses. It compared and contrasted features and performance points of PCI, PCI-X and PCI Express buses. The key features of a PCI Express system were described. The chapter in addition described some examples of PCI Express system topologies.

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