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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References in periodicals archive ?
The high-speed E7520 and 6300ESB chipset support a PCI-Express expansion bus that can fully use a Gigagbyte Ethernet port available on the KPM-S1 with no data transfer bottleneck.
The highs-peed 855GME/6300ESB chipset supports a 66 MHZ PCI-X expansion bus that can use the two Gb Ethernet ports available on the CRM1 with no data transfer bottleneck.
The 855GME and 6300ESB chipset supports a 66 MHz PCI-X expansion bus that can fully use the two Gb Ethernet ports available on the DPM with no data transfer bottleneck.