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Definition of "PCI Express" |
PCI Express? (Peripheral Component Interconnect Express), officially abbreviated as PCIe?, is a computer expansion card standard designed to replace the older PCI, PCI-X, and AGP standards. It is used to link motherboard-mounted peripherals and as an expansion card interface for add-in boards. The PCIe electrical interface is also used in a variety of other standards, most notably the ExpressCard laptop expansion card interface. / Peripheral Component Interconnect Express officially abbreviated as PCIe is a computer expansion card standard designed to replace the older PCI, PCI X, and AGP standards. It is used to link motherboard mounted peripherals and as an expansion card interface for add in boards. The PCIe electrical interface is also used in a variety of other standards, most notably the Express Card laptop expansion card interface. / PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe, is a high-speed serial computer expansion bus standard designed to replace the older PCI, PCI-X, and AGP bus standards. PCIe has numerous improvements over the aforementioned bus standards, including higher maximum system bus throughput, lower I/O pin count and smaller physical footprint, better performance-scaling for bus devices, a more detailed error detection and reporting mechanism (Advanced Error Reporting (AER)), and native hot-plug functionality. More recent revisions of the PCIe standard support hardware I/O virtualization. |
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