Diagnostics Overview; Diagnostic Tools Available - Sun Microsystems Ultra 25 Service Manual

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7
C H A P T E R

Diagnostics Overview

This chapter describes some diagnostic tools. This chapter contains the following
topics:
Section 7.1, "Diagnostic Tools Available" on page 7-1
Section 7.2, "Diagnostic Tests" on page 7-2
Section 7.3, "Power-On Sequence" on page 7-6
7.1

Diagnostic Tools Available

The Sun Ultra 45 and Ultra 25 Workstations Service and Diagnostics Manual uses
displayed messages, system sounds, flowcharts, and firmware and software
diagnostic tools to help you locate and identify workstation malfunctions.
Diagnostic Tools Sorted by Tool Type
TABLE 7-1
Diagnostic Tool
System LEDs
System sounds
Solaris 10 Predictive
Self-Healing
Type of Tool
What the Tool Does
Hardware
Shows status of system or of
a specific component.
Hardware
Single beep indicates
keyboard connection when
the system boots. Continuous
beeping indicates a stuck key
on the keyboard.
Software
Runtime diagnostics program
that monitors system errors
and reports any hardware
needing replacement.
How to Use the Tool
For information on system power and
Ethernet LEDs, see "LED Diagnostics"
on page 8-1.
If continuous beeping, disconnect and
reconnect keyboard. Inspect for stuck
keys, or replace.
Use Predictive Self-Healing first to
diagnose the workstation.
See: "Predictive Self-Healing Overview"
on page 9-1.
7-1

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