User guide

2
Diagnostic Tests and Commands
This chapter describes the diagnostic commands that you can use to solve
basic problems with VAX 4000 Model 105A and Model 106A systems. If you
need to contact Digital services for further assistance, this chapter also lists
the information that you must give to your Digital services representative, and
tells you where to find this information.
2.1 Diagnostic Tests and Commands
There are a number of diagnostic tests and commands that can help you to
isolate a problem with the system unit. These tests and commands are as
follows:
• Power-up tests
• Self-tests
1
• Configuration display
1
• Error display
1
The following sections describe these tests and commands.
2.1.1 Power-Up Tests
The system runs the power-up tests each time you turn on the system. If the
system passes the tests, it responds with a display similar to the following
example:
1
You can use these tests and commands in privileged console mode only if the console
security feature is enabled and the password is set. See the VAX 4000 Model
105A/106A Customer Technical Information manual for information on the console
security feature.
Diagnostic Tests and Commands 2–1