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11 Facts About PCIe
The announced design preserves the PCIe interface, making it compatible with the standard mini PCIe slot.
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Since, PCIe has undergone several large and smaller revisions, improving on performance and other features.
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Mobile PCIe specification allows PCI Express architecture to operate over the MIPI Alliance's M-PHY physical layer technology.
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PCIe link is built around dedicated unidirectional couples of serial, point-to-point connections known as lanes.
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Connection between any two PCIe devices is known as a link, and is built up from a collection of one or more lanes.
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In both cases, PCIe negotiates the highest mutually supported number of lanes.
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PCIe sends all control messages, including interrupts, over the same links used for data.
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The PCIe specification refers to this interleaving as data striping.
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In virtually all modern PCs, from consumer laptops and desktops to enterprise data servers, the PCIe bus serves as the primary motherboard-level interconnect, connecting the host system-processor with both integrated peripherals and add-on peripherals .
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Theoretically, external PCIe could give a notebook the graphics power of a desktop, by connecting a notebook with any PCIe desktop video card ; this is possible with an ExpressCard or Thunderbolt interface.
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