Rainbow 100 PC100 System Specification

This document provides a detailed technical specification for the Digital Equipment Corporation Rainbow 100 (PC100) computer. It outlines the system's dual-processor architecture (using 8088 and Z80A CPUs), shared memory configuration, and various subsystems including video, keyboard, printer, and communications interfaces. Additionally, it covers the floppy disk controller, optional memory and communication expansions, and detailed firmware specifications for its VT102 emulation capabilities.