VAX 4000 Model 500A/505A/600A/700A/ 705A Installation

This document is an installation manual published by Digital Equipment Corporation for the VAX 4000 series computers, specifically models 500A, 505A, 600A, 700A, and 705A.

The manual provides comprehensive, step-by-step instructions for the physical setup of the VAX 4000 system, covering:

1. Pre-Installation Checks: Verifying site preparation requirements and checking the shipment contents.
2. System Hardware Setup: Positioning the system, opening its access doors, installing the console terminal, and setting various system controls (e.g., power switch, Integrated Storage Element settings, console module switches, tape drive settings).
3. Connecting Peripherals: Detailed guides for connecting a variety of external devices, including terminals, serial printers, parallel printers, synchronous modems, asynchronous modems, and Ethernet network connections (via H3604 console and DESQA modules).
4. Connecting Expanders: Instructions for integrating system expanders using Q-bus, DSSI, KZQSA external, power control bus, and ground cables.
5. Power-Up and Initial Configuration: Steps to connect the system power cable, turn on the system, and select a language on the console.
6. Post-Installation Verification: Procedures for closing system doors and performing checks, such as measuring ground offset voltage for DSSI configurations and running diagnostic software.

The document also includes important warnings and cautions, notably regarding the VAX 4000 Model 705A being a Class A product (potential radio interference in residential areas), system weight, and the critical need to manage ground offset voltages in DSSI configurations.