Troubleshooting Overview; Default Boot Mode; Boot Prom Diagnostics - Sun Microsystems SPARC classic Service Manual

2
C H A P T E R

Troubleshooting Overview

This chapter describes the different types of diagnostic firmware and software tools
available to you for troubleshooting, and explains how they are related and when to
use them.
Section 2.1 "Default Boot Mode"
Section 2.2 "Boot PROM Diagnostics"
Section 2.3 "Low-Level POST Code"
Section 2.4 "Diagnostic Tools and When to Use Them"
Section 2.5 "Power-On Self-Test"
Section 2.6 "Selected On-Board Tests"
Section 2.7 "Sundiag System Exerciser"
Section 2.8 "Forth Toolkit"
Section 2.9 "SunDiagnostic Executive"
2.1

Default Boot Mode

The flowchart in
the default boot mode's operation.
Note – The operating system diagnostic tools, as indicated in
apply to the SPARCclassic X terminal.
2.2

Boot PROM Diagnostics

The diagnostics are stored in the Open Boot PROM and include the following:
outlines the roles played by various diagnostics during
FIGURE 2-1
, do not
FIGURE 2-1
2-1