Commodore Manuals

Commodore C-128 Computer Service Manual

This document is a service manual for the Commodore C-128 computer, providing specifications, parts lists, block diagrams, and technical details about the system architecture, microprocessors, memory, and other components. It is intended for service and repair purposes.

The manual details the general features of the C-128, including its compatibility with the Commodore 64, its three modes of operation (64 Mode, 128 Mode, and CP/M Mode), and its hardware specifications such as RAM capacity and processor types. It includes extensive sections on the bus architecture, including the Processor Bus, Translated Address Bus, and Multiplexed Address Bus, as well as specific chapters on the 8502 and Z-80 microprocessors, memory architecture, and video interfaces.

Covers: Specifications · Parts List · Block Diagram · Theory · Bus Architecture · 8502 Microprocessor