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This draft Specification is being provided to you for review purposes pursuant to Article 15.2 of the Bylaws of PCI-SIG. This draft Specification is subject to amendment until it is officially adopted by the Board of Directors of PCI-SIG. The ... PCI EXPRESS BASE SPECIFICATION, REV 1.0 3 Contents
A high-speed hardware interface for connecting peripheral devices. Provides a high-bandwidth scalable solution for reliable data transport. PCI Express is a serial point-to-point interconnect between two devices. Scalable performance based on number of signal lanes implemented on the PCI Express interconnect.
Basic bandwidth Contains one PCI Express Lane x1, x4, x8, x16 x1 refers to one PCI Express Lane of basic bandwidth; x4 refers to a collection of four PCI Express Lanes; etc.
2 Revision Revision History DATE 1.0 Initial release. 07/22/02 20 1.0a Incorporated Errata C1-C66 and E1-E4.17. 04/15/2003 1.1 Incorporated approved Errata and ECNs.
The bandwidth of a PCI Express link may be linearly scaled by adding signal pairs to form multiple lanes. The physical layer provides x1, x2, x4, x8, x12, x16, and x32 lane widths, which conceptually splits the incoming data packets among these lanes.
12 lip 2017 · bandwidth of the PCI Express lane is about the 250MB/s in each direction. Now a day, the PCI board data rate can be increase by fold it’s twice or fourth times.
Plug and Play jumperless configuration (BARs) Unprecedented bandwidth. 32-bit / 33MHz – 133MB/sec. 64-bit / 66MHz – 533MB/sec. Designed from day 1 for bus-mastering adapters. Evolutionary. System BIOS maps devices then operating systems boot and run without further knowledge of PCI.
