Using The System; Halting The System - DEC 4000 Model 200 Operation Manual

NOTE: To determine the name of the device from which to boot the system,
refer to Table 2–2.
Software manuals may instruct you to power up with break enabled and to
use the BOOT command.

2.5 Using the System

Once the system software is loaded, the first display for the system software
appears on the console terminal after a few seconds.
described in the system software documentation.
You are now ready to use the system. Refer to the system software manuals
and application manuals for more specific instructions on using the system.
Your system software manuals cover the following:
• Installing software on your system
• Running software to perform tasks
• Making and restoring backup copies of system software or data files
• Accessing devices and utilities in your system

2.6 Halting the System

Halting the system interrupts all processes and returns control to the
console program. You may need to halt the system during software
installation. Or, you may want to boot the system from another device; for
example, a tape cartridge containing MicroVAX Diagnostic Monitor (MDM)
software.
CAUTION: Halting your system without following the shutdown procedure
described in your system software manuals may result in loss of data.
You can halt the system in two ways:
• You can press the Halt button twice—in to halt the system and out to
enter console mode.
• If the Break Enable/Disable switch on the CPU cover panel is set to
enable (up, dot inside the circle), you can press the
console terminal. If the Break Enable/Disable switch is not set to enable
and you wish to halt the system by pressing
of the Break Enable/Disable switch from disable to enable.
That display is
key on the
Break
, change the setting
Break
Operating the System 2–13