ILLUSTRATED PARTS BREAKDOWN VAX 4000 Models 5xxA/6xxA/7xxA Series Systems

This document is an Illustrated Parts Breakdown (IPB) for VAX 4000 Models 5xxA/6xxA/7xxA Series Systems. Its main purpose is to help users identify specific hardware parts and their locations within these products. Users are instructed to locate a part in a figure (illustration) and then find its corresponding item number in the detailed parts list.

The document is organized by figures, with assemblies and subassemblies referenced from the initial figure, each showing major parts with numeric callouts. The accompanying parts lists provide comprehensive details for each item, including its figure and item number, a description (distinguishing subassemblies), the Digital/Vendor part number, ECO (Engineering Change Order) revision levels, product variation codes, and cross-references to other figures. An "ECO/REVISION HISTORY" table tracks updates and printing dates for different assembly figures. Additionally, a "PART NUMBER/PART DESCRIPTION INDEX" allows for efficient lookup of items by part number or descriptive name. The document also contains standard copyright and trademark information from Digital Equipment Corporation.