7-1
CHAPTER
7
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.
TABLE 7-1 Diagnostic Tools Sorted by Tool Type
Diagnostic Tool Type of Tool What the Tool Does How to Use the Tool
System LEDs Hardware Shows status of system or of
a specific component.
For information on system power and
Ethernet LEDs, see “LED Diagnostics”
on page 8-1.
System sounds Hardware Single beep indicates
keyboard connection when
the system boots. Continuous
beeping indicates a stuck key
on the keyboard.
If continuous beeping, disconnect and
reconnect keyboard. Inspect for stuck
keys, or replace.
Solaris 10 Predictive
Self-Healing
Software Runtime diagnostics program
that monitors system errors
and reports any hardware
needing replacement.
Use Predictive Self-Healing first to
diagnose the workstation.
See: “Predictive Self-Healing Overview”
on page 9-1.
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