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4-60 Fault Isolation
Part 3 Checkout Procedures
This part consists of two sections:
• The first section provides hardware checkout procedures for the Model 400t
and 400dl systems.
• The second section provides hardware checkout procedures for the Model 400s
system.
4.11 Checkout Procedures for Model 400t and 400dl Systems
This section provides checkout procedures for the following Model 400t and 400dl
system components:
• Power supply and related FRUs (Procedure 4-5)
• Winchester disk power (Procedure 4-6)
• Calendar battery (Procedure 4-7)
WARNING: These procedures involve the verification of high-voltage
components. They should be performed by qualified service
personnel only.
CAUTION: Make sure that you are properly grounded before you attempt
any of the following procedures. Use an antistatic mat with
static straps and other static prevention devices whenever
possible.
You must remove the system unit cover to perform the following procedures. Refer to
Figure 4-17, which illustrates the system unit cover removal. Figure 4-18 shows the
power connections, which are referenced in the procedures that follow.
NOTICE: Always replace the system unit cover during troubleshooting
sessions if the system is to run for an extended period of time.
The system unit cover is used to maintain proper air flow cool-
ing within the system unit.
NOTICE: To maintain FCC/EMI compliance, verify that the covers are
properly seated when closing the system unit.
- Series 400 Workstations 1
- Emissions Regulations 3
- VCCI Class 1 ITE Equipment 4
- VCCI Class 2 ITE Equipment 4
- Preface 7
- Audience 8
- Domain/OS Related Manuals 8
- HP-UX Related Manuals 9
- Documentation Conventions 10
- Contents 11
- Contents xiii 13
- Domain/OS Systems 15
- Contents xvii 17
- Contents xix 19
- Procedures 21
- Chapter 1 23
- 1.1 Introduction 24
- 1-4 Product Overview 26
- 1.2 Physical Configuration 27
- 1-8 Product Overview 30
- 1.5 Introduction 31
- 1.6 Physical Configuration 33
- 1-16 Product Overview 38
- Chapter 2 41
- 2-2 System Controls 42
- System Controls 2-3 43
- 2.2 Monitor Controls 46
- System Controls 2-7 47
- 2-8 System Controls 48
- 2.3 LED Indicator Lights 49
- Chapter 3 51
- 3-4 Theory of Operation 54
- Theory of Operation 3-5 55
- 3-6 Theory of Operation 56
- Theory of Operation 3-7 57
- 3-8 Theory of Operation 58
- 3.2 FRU-Level Operation 59
- Uncorrectable Memory Error 65
- 3-20 Theory of Operation 70
- Chapter 4 71
- Compatible Mode 73
- 4-4 Fault Isolation 74
- Figure 4-1. Main Flowchart 74
- Fault Isolation 4-5 75
- 4-6 Fault Isolation 76
- Fault Isolation 4-7 77
- 4-8 Fault Isolation 78
- Fault Isolation 4-9 79
- 4-10 Fault Isolation 80
- Fault Isolation 4-11 81
- 4-12 Fault Isolation 82
- Fault Isolation 4-13 83
- 4-16 Fault Isolation 86
- 4.3 Mnemonic Debugger Level 87
- 4-22 Fault Isolation 92
- 4.4 The sysboot Program 95
- 4.5 Online Level 96
- Fault Isolation 4-29 99
- 4-30 Fault Isolation 100
- Fault Isolation 4-31 101
- 4.9 Boot ROM Self-Tests 108
- Fault Isolation 4-43 113
- Fault Isolation 4-45 115
- Fault Isolation 4-47 117
- Fault Isolation 4-49 119
- 4.10 Test Mode 122
- CONTINUE AT OWN RISK 123
- RETURN To Continue 123
- Memory Failed at (address) 124
- (W:BBCCDDEE, R:BBCCDDEF) 124
- PARITY BIT ERROR AT (address) 124
- 4-56 Fault Isolation 126
- Fault Isolation 4-57 127
- Part 3 Checkout Procedures 130
- Fault Isolation 4-61 131
- 4-62 Fault Isolation 132
- Fault Isolation 4-67 137
- J001 14 137
- Domain Compatible Mode 139
- Compatible Mode 147
- Chapter 5 149
- 5.3 System Assemblies 150
- 5.5 System Unit Assemblies 172
- (Continued) 227
- Appendix A 235
- A-2 FRU Confi gurations 236
- A-6 FRU Confi gurations 240
- FRU Confi gurations A-7 241
- FRU Confi gurations A-11 245
- Hard Disk Drive 245
- A-12 FRU Confi gurations 246
- Tape Drive 246
- FRU Confi gurations A-13 247
- A-14 FRU Confi gurations 248
- Appendix B 249
- Appendix C 253
- C-2 Confi guring the EEPROM 254
- C.4 I/O Configuration Mode 264
- Configure Mode Failed 265
- Configuration EEPROM Failed 265
- 1 Select Code 9 268
- used select codes are : 268
- 12 14 15 21 268
- C.5 Auto System Select Mode 277
- Appendix D 283
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