VAXstation 3100 Model 76

This document is an upgrade guide detailing the process of converting VAXstation 3100 Model 30, Model 38, Model 40, or Model 48 systems into a VAXstation 3100 Model 76 system. It provides comprehensive, step-by-step instructions for removing existing components from the older system units and installing them into the new Model 76 unit.

Key aspects covered include:

• Preparation: Identifying the current system, understanding Model 76 configurations, performing diagnostic tests (TEST 50), backing up data, updating operating and windowing systems (VMS/VWS), unpacking the upgrade kit, and using antistatic precautions.
• Component Removal: Detailed procedures for removing hard disks (RZxx), Ethernet ROMs, scanline coprocessor modules, and graphics coprocessor modules from the Model 30, Model 38, and Model 40/48 systems.
• Model 76 Completion: Instructions for installing the removed components, along with any new hardware (like screw mounts and drive frame supports for RZxx hard disks), into the Model 76 system unit. This also includes starting the Model 76 system, testing its Ethernet hardware address, running diagnostics, and setting console commands.
• Post-Upgrade Tasks: Guidance on packing up the old system components and filling out necessary Digital Parts Return Forms for returning the old hardware.
• Troubleshooting: An appendix provides solutions for potential problems encountered after the upgrade.

The guide is intended for qualified service personnel or those with a working knowledge of VAXstation 3100 hardware, emphasizing the importance of proper procedures and safety during the upgrade process.