PDP-11/04 Minicomputer

This document provides an overview and technical specifications for the Digital Equipment Corporation PDP-11/04 minicomputer. It highlights the system's hardware- and software-compatibility with other UNIBUS PDP-11 models, its use of TTL technology, and support for both MOS and core memory. The document details key features including the instruction set, UNIBUS architecture, CPU organization, and diagnostic capabilities. It also lists technical specifications, available operating systems such as CAPS-11, RT-11, and RSX-11, and physical configuration options for OEM environments.