Compact peripheral component interconnect (CPCI) is an adaptation of the peripheral component interconnect (PCI) specification for industrial computer applications requiring a smaller, more robust mechanical form factor than the one defined for the desktop.
CompactPCI is an open standard supported by the PCI Industrial Computer Manufacturers Group (PICMG). CompactPCI is best suited for small, high-speed industrial computing applications...
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http://www.iec.org/online/tutorials/compact_pci/index.asp
5/15/2009