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The PCI Bus

This part of Designing PCI Cards and Drivers for Power Macintosh Computers describes the PCI bus and tells you how it works with Power Macintosh computers. It contains three chapters:

• PCI Bus Overview describes the PCI standard and summarizes the ways that Power Macintosh computers comply with it.
• Data Formats and Memory Usage defines the formats in which data moves over the PCI bus and the memory spaces reserved for PCI use.

Later parts of this book cover the following topics:

• Part 2, The Open Firmware Process describes the startup process in Power Macintosh computers that support the PCI bus. This includes information about the startup process for the NewWorld architecture as well as earlier architectures. Part 2 begins on The Open Firmware Process.
• Part 3, Native Device Drivers tells you how to design and write run-time native device drivers that support the PCI-bus compatible Power Macintosh architecture. Part 3 begins on Native Device Drivers.