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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. Devices connected to the PCI bus appear ...
PCI Express x16. PCI Express x1. PCI Express x16. Conventional PCI (32-bit, 5 V) PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-e, [2] is a high-speed serial computer expansion bus standard, designed to replace the older PCI, PCI-X and AGP bus standards.
Four PCI Express bus card slots (from top to second from bottom: ×4, ×16, ×1 and ×16), compared to a 32-bit conventional PCI bus card slot (very bottom). In computer architecture, a bus [1] (historically also called data highway [2] or databus) is a communication system that transfers data between components inside a computer, or between computers.
CompactPCI is a computer bus interconnect for industrial computers, [ 1 ] combining a Eurocard -type connector and PCI signaling and protocols. Boards are standardized to 3 U or 6U sizes, and are typically interconnected via a passive backplane. The connector pin assignments are standardized by the PICMG US and PICMG Europe organizations.
A PCI-104 single-board computer. PC/104 (or PC104) is a family of embedded computer standards which define both form factors and computer buses by the PC/104 Consortium. Its name derives from the 104 pins on the interboard connector (ISA) in the original PC/104 specification [1][2] and has been retained in subsequent revisions, despite changes ...
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 ...
In the 1990s and early 2000s, the interface between a northbridge and southbridge was the PCI bus. As of 2023, the main bridging interfaces used are Direct Media Interface and PCI Express . The southbridge typically implements the slower capabilities of the motherboard in a northbridge-southbridge chipset computer architecture.
Backplane. A backplane or backplane system is a group of electrical connectors in parallel with each other, so that each pin of each connector is linked to the same relative pin of all the other connectors, forming a computer bus. It is used to connect several printed circuit boards together to make up a complete computer system.