Digital Equipment Corporation DCFl1-AA CPU Diagnostic Program User Manual

This manual describes the DCFl1-AA CPU Diagnostic Program, a combined diagnostic tool for PDP-11 processors that tests basic instructions, trap operations…

Brand: Digital Equipment Corporation
Document type: User Manual
Language: English
Pages: 349
File format: PDF
File size: 12.4 MB
Published: 18 October, 2026
Updated: 18 October, 2026
MD5 checksum: CF3E9031E2C0E0B05539FAD3F5FAF6D3
PDF: Digital Equipment Corporation DCFl1-AA CPU Diagnostic Program User Manual PDF

About this manual

The document details the Digital Equipment Corporation (DEC) CPU Diagnostic Program, model DCFl1-AA. This software is a combined version of three separate diagnostic programs: CPU Test, Trap Test, and EISTest. It is designed to test basic PDP-11 instructions in every addressing mode, trap operations including overflow conditions, and extended instruction sets such as ASH, ASHC, MUL, and DIV.

What's inside

General Information
Hardware Requirements
Starting Procedures
Trap Catcher Abstracts
Error Handling
Switch Settings
Execution Times
Routines Abstract

Specifications

Processor Requirement	A processor with DCF11-AA chip set
Minimum Memory	16K of memory

Frequently asked questions

What happens if an error is detected in Part One or Two?

The program will halt execution.

How does the program handle errors in Part Three (EISTest)?

It types out the error message and continues execution.

What is the approximate runtime for each additional end-of-pass message?

Approximately 15 seconds.

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