PC system bus reference guide 
A complete look at the PC's system I/O buses. Includes coverage of the various functions and features of the bus, a look at ISA, VLB and PCI buses, plus older technologies, and the new AGP port.
PCI Special Interest Group (SIG) home page
The PCI SIG page offers information on PCI, the PCI SIG organization, news, information on members, bylaws, and membership information.
Peripheral Component Interconnect (PCI) Local Bus
Explains how the PCI bus functions in areas such as: performance, interrupts, mastering, and plug and play. This page is from "The PC Guide".
The PCI Industrial Computer Manufacturers Group
The PCI Industrial Computer Manufacturers Group is a consortium of over 160 industrial computer product vendors who develop specifications for PCI-based systems and boards for use in industrial computing applications. Their site contains links to product information, specifications, and membership information.
Webopedia's "Did You Know... Understanding PC Buses"
Think of a bus as the electronic highway on which data travels within a computer, from one component to another. Basically, it's the conduit used by your entire system to communicate with your CPU.
Webopedia's "Did You Know...?" Section
Use this Webopedia knowledge section for an in-depth overview of specific technologies and occurrences in the areas of Computer Science, The Internet, and Computer Hardware and Software.
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