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Peripheral Component Interconnect (PCI) [3] is a local computer bus for attaching hardware devices in a computer and is part of the PCI Local Bus standard. The PCI bus supports the functions found on a processor bus but in a standardized format that is independent of any given processor's native bus.
PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-E, [2] is a high-speed serial computer expansion bus standard, meant to replace the older PCI, PCI-X and AGP bus standards.
PCI-X, short for Peripheral Component Interconnect eXtended, is a computer bus and expansion card standard that enhances the 32-bit PCI local bus for higher bandwidth demanded mostly by servers and workstations. It uses a modified protocol to support higher clock speeds (up to 133 MHz), but is otherwise similar in electrical implementation.
One of the major improvements the PCI Local Bus had over other I/O architectures was its configuration mechanism. In addition to the normal memory-mapped and I/O port spaces, each device function on the bus has a configuration space, which is 256 bytes long, addressable by knowing the eight-bit PCI bus, five-bit device, and three-bit function numbers for the device (commonly referred to as the ...
CPU cards include Peripheral Component Interconnect (PCI) cards, modular PC Cards, Industry Standard Architecture (ISA) cards, PCI extensions for instrumentation cards and embedded technology extended (ETX) cards. CPU cards are often used to expand the memory, speed, bandwidth or embedded applications of an existing computer system.
The 32-bit PCI bus is carried on the J1 connector, while the J2 connector pins pass through to another connector on the back. CompactPCI is a computer bus interconnect for industrial computers, [ 1 ] combining a Eurocard -type connector and PCI signaling and protocols.
The 16-bit slots were a superset of the 8-bit configuration, so most 8-bit cards were able to plug into a 16-bit slot (some cards used a "skirt" design that physically interfered with the extended portion of the slot) and continue to run in 8-bit mode. One of the key reasons for the success of the IBM PC (and the PC clones that followed it) was ...
Pages in category "Peripheral Component Interconnect" The following 25 pages are in this category, out of 25 total. ... PCI Express; PCI eXtensions for ...