Chapter Description; In This Chapter - DEC 4000 600 series Owner's Manual

Chapter Description

What Is an This chapter describes the DEC 4000 AXP environment
Environment variables.
Variable?
An environment variable is a firmware parameter that you can
access from console mode. The DEC 4000 AXP console program
includes multiple environment variables. The setting of these
firmware parameters affects the way the system powers up and
boots operating system software.
This chapter covers the following information:

In This Chapter

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Setting Environment Variables
Overview: Do I Need to Set Environment Variables?
Before You Begin
Changing the Default Startup Action (auto_action)
Setting or Changing the Default Boot Device (bootdef_dev)
Setting Boot Flags (boot_osflags)
Setting the Language (language)
Changing the Baud Rate (tta0_baud and tta1_baud)
Enabling Halt Key Functions (tta0_halts and tta1_halts)
When You Have Finished Setting Variables
Setting Environment Variables
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