PDP 12 Diagnostic Start Up Procedures

This document is a technical manual outlining various diagnostic start-up procedures for the PDP 12 computer system. It functions as an index and guide for executing specific diagnostic programs. For each listed program, it provides a starting address (e.g., LOC 20), and detailed switch settings (SR0-SR11 or RSW settings) required to configure the test's behavior, such as suppressing halts, enabling printouts, selecting specific test routines, or defining memory banks to be tested. The diagnostic tests cover a wide range of computer components, including memory (Checkerboard, Address Test), processor instructions (ISZ, JMP, instruction tests for PDP-8 and PDP-8I), and peripherals (TTY, Tape Control, VR12 Display, Calcomp Plotter). It also includes loaders and utility programs like PIP and MARK12. The manual is essential for troubleshooting and verifying the proper operation of the PDP 12 system by providing step-by-step instructions for each diagnostic routine.