DEC 7000 AXP, VAX 7000 System Service Manual

This document is the System Service Manual for DEC 7000 AXP and VAX 7000 systems, intended for Digital customer service engineers and self-maintenance customers.

It provides detailed instructions for:

• Adding or Replacing CPUs and Memory Modules: Covers the physical procedures for installation, removal, and initial system verification.
• Servicing the CPU: Explains how to set system parameters and EEPROM environment variables after CPU replacement, and outlines specific procedures for replacing the only processor, boot processor, or secondary processors. It also details the process for FEPROM (firmware) recovery if it becomes corrupted.
• Updating Firmware: Guides users on using the Loadable Firmware Update (LFU) Utility to update firmware on various system modules (processors, I/O adapters), including steps for regular updates, handling corrupted firmware, and modifying device attributes.
• Appendix A provides Kermit Parameters, which are essential for downline loading firmware during recovery operations.