PCI
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. It is believed that PCI will eventually supplant ISA entirely (and VESA, EISA, and VLB). PCI Version 1.0 is a 32-bit bus that runs at a clock speed of 33 MHz. This yields a throughput rate of 132 megabytes per second. PCI 2.0 is a 64-bit bus running at a clock speed of 66 MHz. Although it was developed by Intel, PCI is not tied to any particular family of microprocessors. In fact, in a strict sense, it is not a local bus at all, because it does not connect directly with the microprocessor. For this reason, some experts refer to it as a "mezzanine bus."
NetLingo Classification: Net Hardware
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