IBM 704 - Manual (Page 232)

Overview of the Diagnostic Tools
Getting Started
If you are not familiar with the diagnostic tools and programs,
continue reading this chapter; then, return here. If you are familiar
with these topics, select the appropriate instructions from the
following list:
To interpret an error message (for example, you have a 0370 on
the screen), go to “POST Error Message Table” on page 232.
If you want to verify that the system is operating correctly, go
to “About the Test Programs” on page 219.
For more information about a hardware failure (for example,
keys on the keyboard not working) or a screen prompt, go to
“Troubleshooting” on page 245.
18
Attention: To avoid personal injury or damage to your
system when following the procedures in this chapter, review
and observe all safety and electrostatic precautions provided
in the PC Server 704 Safety Information booklet.
Overview of the Diagnostic Tools
System problems can be caused by hardware, software, or user
error. (An example of a user error is pressing the wrong key.) You
might be able to solve the problem yourself or provide helpful
information to a service technician.
The following tools are available to help you identify and resolve
hardware-related problems:
Power-on self-test (POST)
POST beep codes
Test programs
Error messages
Troubleshooting charts
Option Diskettes
214 PC Server 704 User's Handbook