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expansion bus Last modified: Monday, April 12, 2004
A collection of wires and protocols that allows the expansion of a computer by inserting printed circuit boards (expansion boards). Traditionally, PCs have utilized an expansion bus called the ISA bus. In recent years, however, the ISA bus has become a bottleneck, so nearly all new PCs have a PCI bus for performance as well as an ISA bus for backward compatibility.
Troubleshooting the Motherboard and System Devices Focuses on problems related to the motherboard and system devices, including the components of the motherboard, along with system devices such as the cache and I/O buses, the BIOS and CMOS memory, system resources, and features such as Plug and Play. This page is from "The PC Guide."	Related Categories Buses Related Terms bus cache coherence EISA expansion board local bus PCI protocol VL-Bus Shopping expansion bus Products Compare Products,Prices and Stores Shop by Category: Wireless Adapters 95 Model Matches Serial Adapters 158 Model Matches Network Adapters 33 Model Matches