![]() ![]() A lane is composed of two differential signaling pairs, with one pair for receiving data and the other for transmitting.ĮxpressCard utilizing PCI Express interface, developed by the PCMCIA group for mobile computers. PCI Express architecture provides a high performance graphics infrastructure for Desktop Platforms doubling the capability of existing AGP8x designs with transfer rates of 4.0 Gigabytes per second over a x16 PCI Express lane for graphics controllers. ![]() PCIe has numerous improvements over the older 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-swap functionality. PCI Express architecture provides a high performance I/O infrastructure for Desktop Platforms with transfer rates starting at 2.5 Giga transfers per second over a x1 PCI Express lane for Gigabit Ethernet, TV Tuners, Firewire 1394a/b controllers, and general purpose I/O. It was designed to replace the older PCI and AGPbus standards. PCI Express as a high-bandwidth, low pin count, serial, interconnect technology. ![]()
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