Rainbow 100 System Unit

This illustrated parts breakdown (IPB) is a technical manual for the Digital Equipment Corporation (DEC) Rainbow 100 System Unit (PC100). The document explains how to use the IPB, including how to read the indented parts lists and column callouts. It contains detailed exploded-view illustrations for major assemblies such as the system unit enclosure, CPU assembly, power supplies (H7842-A, H7842-B, and H7842-D), and the fan bracket assemblies. Additionally, the manual covers optional equipment configurations, including memory adapters, Winchester disk options, and color graphics upgrades, providing part numbers and service information for technicians and users.