Service manual

Contents
Preface xiii
Chapter 1 Introduction
1.1 Why Read This Document . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.2 System Functional Description . . . . . . . . . . . . . . . . . . . . . . . 1–4
1.3 Identifying the Platform Remotely . . . . . . . . . . . . . . . . . . . . . 1–6
1.4 Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . . . . . . . . . 1–8
Chapter 2 Diagnostics
2.1 Diagnostic Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2
2.2 Self-Test and Additional Power-Up Tests . . . . . . . . . . . . . . . . 2–4
2.3 ROM-Based Diagnostic Monitor and Its Control . . . . . . . . . . 2–8
2.3.1 ROM-Based Diagnostic Programs . . . . . . . . . . . . . . . . . . . 2–10
2.3.2 START Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–14
2.3.3 START Command Qualifiers . . . . . . . . . . . . . . . . . . . . . . . 2–15
2.3.4 RBD Test Printout, Passing . . . . . . . . . . . . . . . . . . . . . . . . 2–18
2.3.5 RBD Test Printout, Failing . . . . . . . . . . . . . . . . . . . . . . . . 2–20
2.3.6 SUMMARY Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–22
2.3.7 Sample RBD Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–24
2.3.8 Running ROM-Based Diagnostics on VAXBI Devices . . . . . 2–28
2.4 VAX Diagnostic Supervisor Programs . . . . . . . . . . . . . . . . . . 2–30
2.4.1 Booting the Diagnostic Supervisor from a CD Server . . . . 2–32
2.4.2 Running VAX/DS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–34
2.4.3 Sample VAX/DS Session . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–36
2.4.4 VAX/DS Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–42
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