Alphaserver DS20L

This document is a user's guide for the Compaq AlphaServer DS20L (Series EA2014) system. It is intended for managers and operators of these systems and provides the following information:

• System Overview (Chapter 1): Describes the features, components, and technical specifications of the DS20L, including power, environmental, and physical requirements. It also details the front panel controls (including the Halt button and bezel removal) and rear panel connections.
• Installation and Options (Chapter 2): Provides instructions for rackmounting, connecting external devices, and installing/removing hardware options such as memory, PCI modules, hard drives, and CD-ROM drives.
• Operation (Chapter 3): Explains how to power up the system, boot operating systems (Tru64 UNIX and Linux), and update system firmware using the Loadable Firmware Update (LFU) utility.
• Remote Management (Chapter 4): Details remote control features, including the Wake-on-LAN (WOL) utility for powering the system on and off remotely, and the associated environment variables and configuration.
• Basic Troubleshooting (Chapter 5): Outlines how to use LED status indicators, firmware configuration jumpers, and the show power command to diagnose system issues.
• SRM Console (Appendix A): Provides a comprehensive reference for the SRM console command-line interface, including syntax, specific commands for configuration and testing, management of environment variables, and secure mode operations.