PDP-8 Processor Replacement

This document outlines the features and performance specifications for the CPU 8 from Computer Extension Systems, Inc. The CPU 8 is a hex-wide board designed as a drop-in, hardware-compatible replacement for PDP-8 processors, featuring full compatibility with all DEC OMNIBUS backplanes and existing software. It provides KK8E-level performance to allow easy upgrades from KK8A systems. The document includes detailed specifications such as a 12-bit word length, 1.2 micro-second cycle time, memory support for MOS or CORE, and various instruction set details. The unit comes with a one-year unconditional warranty.