expansion bus


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Related to expansion bus: expansion slot, PCI bus

expansion bus

[ik′span·shən ‚bəs]
(computer science)
The wiring and protocols that connect a computer's motherboard with the peripheral devices.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

expansion bus

An input/output pathway from the CPU to peripheral devices. An expansion bus typically comprises a series of slots on the motherboard into which cards are inserted. PCI and PCI Express are common expansion buses in computers. See PCI, PCI Express, expansion card and PC data buses. See also bus extender.
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