DEC 4000 Model 600 AXP Rackmount Series Installation/Owner's Guide

This document is the DEC 4000 Model 600 AXP Rackmount Series Installation/Owner’s Guide, published in March 1993 (Order Number: EK–BA641–IN. A01).

The guide provides comprehensive information for installing, operating, troubleshooting, and maintaining the DEC 4000 AXP Rackmount system, a high-performance superserver designed for multi-user environments.

Key topics covered include:

1. Introduction to the System: Overview of the DEC 4000 AXP Rackmount server, its slide-mounted chassis, and its various components and controls located at the front, top, rear, and within the bottom hinged tray.
2. Installation Procedures: Detailed instructions for preparing the installation site (including clearance requirements and tools needed), unpacking the system and its accessories, preparing and attaching equipment slides to a standard EIA 19-inch cabinet, mounting the chassis, installing the interlock actuator bracket and cable management system, and performing initial setup for operation (checking switch settings, connecting terminals, modems, power cords, and network cables).
3. System Operation: Explains the system's two operating modes (Console and Operating System mode), guides through the startup process (powering up external devices and the system itself, interpreting power-up diagnostics displays), and describes how to use the Operator Control Panel (OCP) for console mode invocation, system resets, power down, and self-test monitoring.
4. Console Subsystem & Commands: Details the console subsystem's role as the user interface when the operating system is not running, its components (I/O module, serial and Ethernet ports), and various methods for invoking console mode. It provides a reference for basic console commands (e.g., boot, cdp, continue, date, help, init, set, show, test) including their syntax, flags, parameters, and examples.
5. Setting Environment Variables: Covers how to configure firmware parameters from console mode that affect system power-up and boot behavior, such as default startup action (auto_action), default boot device (bootdef_dev), boot flags for operating systems (boot_osflags), language settings, baud rates for console/auxiliary serial ports, and enabling halt key functions.
6. Operating Mass Storage Devices: Describes the internal and external DSSI and SCSI mass storage devices (disk drives, CD-ROM drives like RRD42, and tape drives like TLZ06 and TZ30), their physical locations, and operational procedures including write-protection (via console commands for RZ/RF-series drives), media insertion/removal, and interpreting status lights.
7. System Configuration: Explains how to identify the system's configuration, including special setups like Dual CPU and DSSI VMSclusters. It details how to display configuration information online (memory, devices, console program version, PALcode version) and guides through planning and implementing hardware changes, connecting additional external devices (SCSI/DSSI), and changing drive ID numbers and DSSI device parameters.
8. System Features & Subsystems: Provides an in-depth look at the DEC 4000 AXP's design, including its Alpha AXP architecture, RISC technology, support for OpenVMS AXP and DEC OSF/1 AXP operating systems, and integration capabilities. It outlines the various subsystems: CPU, I/O, Power, Storage, and Futurebus+.
9. Care, Maintenance, and Exterior Customizations: Offers guidance on customizing the system's exterior (labeling, changing baud rate switch) and essential maintenance practices, including environmental guidelines and cleaning.
10. Troubleshooting & Field Replaceable Unit (FRU) Procedures: Presents a comprehensive troubleshooting section with diagnostic flows for power, console, boot, operating system, mass storage, and network problems, along with contact information for Digital Services. For qualified self-maintenance customers, it includes detailed instructions for the removal and installation of key FRUs, such as the bottom tray, system modules (CPU, Memory, I/O), OCP, LDC board, fans, disk drives, fingerstock, SCSI to DSSI adapters, and the backplane.

The document also includes appendices with detailed specifications and lists of field replaceable units, and a glossary of technical terms.