This article shows a diagram of the main logic board architecture of the Power Mac G4 (Gigabit Ethernet) computer.

This article covers repair procedures for authorized service providers on selected Apple products, but we have published them in the Knowledge Base for the general public for educational purposes. At this time, there are a limited number of repairs that a customer can perform and these are covered under the customer installable parts program http://www.info.apple.com/installparts . If you have not been authorized to perform these procedures, please contact Apple (800-APL-CARE in the USA) or your local authorized service provider to schedule a repair.

Figure 1 shows a block diagram of the main logic board for the Power Mac G4 (Gigabit Ethernet) computer. The diagram shows the main ICs and the buses that connect them together.

Figure 1