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PCI-Slide7

There are many attractive features that come built into the PCI Express specification. Besides having a point-to-point connection between two devices, utilizing a serial bus requires fewer pins in a design versus that of PCI. With lane aggregation, PCI Express is very scalable to bandwidth-intensive applications. Since PCI Express evolved from PCI and PCI-X, migration is much easier. The same memory, I/O and configuration address space is used in PCI Express as was used in PCI. In addition, PCI Express has a higher QoS with improved data integrity and error handling. PCI Express is RAS-capable and data integrity is available at both the link level and at the transmitter/receiver.

PTM Published on: 2011-11-10