MicroVAX 3100 Model 90 SCSI Upgrade Manual

This document, the MicroVAX 3100 Model 90 SCSI Upgrade Manual (Order Number: EK-510AA-UP. A01, August 1993), provides detailed instructions for upgrading a MicroVAX 3100 Model 90 system.

Purpose: Its primary purpose is to guide users through the process of adding a SCSI card and port to the system to enable support for external SCSI devices.

Audience: The manual is intended for Digital Services personnel and licensed self-maintenance customers.

Key Procedures Covered: The upgrade process involves both software and hardware steps, including:

1. Preparation: Backing up system software, unpacking the upgrade kit, and, if necessary, upgrading the system's firmware and OpenVMS operating system.
2. Hardware Installation: Disconnecting power, disassembling parts of the system (enclosure cover, drive mounting shelves), removing a blank cover from the enclosure's rear, and then physically installing the new SCSI in/out cable, connector, and the SCSI daughter card onto the motherboard.
3. Reassembly & Connection: Reinstalling the removed components, reconnecting internal SCSI cables, and connecting external power cables, signal cables, and terminators.
4. Post-Installation: Powering on the system, reinstalling system data (if necessary), and completing required administrative paperwork.

The document also includes Conversion Forms (Appendix A) for tracking the upgrade and Documentation and Ordering information (Appendix B) for related manuals and support.