Short for Peripheral Component Interconnect, a local bus standard developed by Intel Corporation. Most modern PCs include a PCI bus in addition to a more general ISA expansion bus. PCI is also used on newer versions of the Macintosh computer.
PCI is a 64-bit bus, though it is usually implemented as a 32-bit bus. It can run at clock speeds of 33 or 66 MHz. At 32 bits and 33 MHz, it yields a throughput rate of 133 MBps. Also see PCI-X and PCI Express.
Although it was developed by Intel, PCI is not tied to any particular family of microprocessors.
PC system bus reference guide A complete look at the PC's system I/O buses. Includes coverage of the various functions and features of the bus, a look at ISA, VLB and PCI buses, plus older technologies, and the new AGP port.
PCI Special Interest Group (SIG) home page The PCI SIG page offers information on PCI, the PCI SIG organization, news, information on members, bylaws, and membership information.
The PCI Industrial Computer Manufacturers Group The PCI Industrial Computer Manufacturers Group is a consortium of over 160 industrial computer product vendors who develop specifications for PCI-based systems and boards for use in industrial computing applications. Their site contains links to product information, specifications, and membership information.
Video System Interfaces Describes the various video bus interfaces as well as related concepts. This page is from "The PC Guide."