Changing Environment Variables; Chapter Overview - Digital Equipment DEC 3000 500X AXP Owner's Manual

Changing Environment Variables

Chapter Overview

Introduction Environment variables are firmware parameters that can be
changed to suit your specific system needs. You set environment
variables while your system is in console mode. Your system is
shipped with default values set for all available environment
variables. The environment variable settings include the
following startup information:
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This chapter describes the available environment variables and
how to display or change the current settings.
In This Chapter This chapter includes the following topics:
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The device from which your system boots
The default startup action each time your system is turned
on or a halt instruction is executed by software
The language used in console mode
Before You Begin
Available Environment Variables
Displaying Current Environment Variables
Changing the Default Startup Action (auto_action)
Changing the Default Boot Device (bootdef_dev)
Changing the Default Diagnostic Startup Mode (diag_quick)
Changing the Default Keyboard Language (language)
Changing Environment Variables 9–1
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