Alpha 1000 Uživatelská příručka Strana 94
- Strana / 200
- Tabulka s obsahem
- ŘEŠENÍ PROBLÉMŮ
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
show envar
Arguments:
envar The name of the environment variable to be modified.
value The value that is assigned to the environment variable. This may be an
ASCII string.
Options:
-default Restores variable to its default value.
-integer Creates variable as an integer.
-string Creates variable as a string (default).
Examples:
>>> set bootdef_dev eza0
>>> show bootdef_dev
eza0
>>> show auto_action
boot
>>> set boot_osflags 0,1
>>>
Table 5–4 Environment Variables Set During System Configuration
Variable Attributes Function
auto_action NV,W The action the console should take following an error
halt or power failure. Defined values are:
BOOT—Attempt bootstrap.
HALT—Halt, enter console I/O mode.
RESTART—Attempt restart. If restart fails, try
boot.
No other values are accepted. Other values result in
an error message, and the variable remains unchanged.
Key to variable attributes:
NV —- Nonvolatile. The last value saved by system software or set by console commands is
preserved across system initializations, cold bootstraps, and long power outages.
W —- Warm nonvolatile. The last value set by system software is preserved across warm bootstraps
and restarts.
(continued on next page)
5–16 System Configuration and Setup
- AlphaServer 1000A 1
- Service Guide 1
- Contents 3
- 3 Running System Diagnostics 4
- 4 Error Log Analysis 4
- A Default Jumper Settings 6
- Examples 6
- Intended Audience 11
- Conventions 12
- Related Documentation 12
- Troubleshooting Strategy 15
- 1.1.1 Problem Categories 16
- 1–8 Troubleshooting Strategy 22
- 1.3 Information Services 23
- 1–10 Troubleshooting Strategy 24
- Troubleshooting Strategy 1–11 25
- ....done 31
- 12345.done 31
- FAIL B:0 S:2 31
- 2.3 Power-Up Screen 35
- 2.3.1 Console Event Log 37
- 2.5 Storage Device LEDs 41
- Activity LED 42
- 2.8 Fail-Safe Loader 47
- 2.9 Power-Up Sequence 50
- 2.9.2 DC Power-Up Sequence 51
- 2.10.1 Serial ROM Diagnostics 51
- Running System Diagnostics 55
- 3.2 Command Summary 56
- 3.3 Command Reference 57
- 3.3.1 test 58
- 3.3.2 cat el and more el 61
- 3.3.3 memory 62
- 3.3.4 netew 64
- Testing an Ethernet Port: 65
- 3.3.5 network 66
- 3.3.6 net -s 68
- 3.3.7 net -ic 69
- 3.3.8 kill and kill_diags 70
- 3.3.9 show_status 71
- 3.5 DEC VET 72
- Error Log Analysis 73
- Error Log Analysis 4–3 75
- 4–4 Error Log Analysis 76
- 4.3 Event Record Translation 77
- 4–6 Error Log Analysis 78
- System Configuration and Setup 79
- 5.1.1 System Firmware 80
- >>> 81
- >>> set os_type NT 82
- >>> init 82
- Digital UNIX and OpenVMS 87
- Synopsis: 89
- Example: 89
- Key to variable attributes: 94
- Whenever you use the 100
- 5.2 System Bus Options 101
- 5.2.1 CPU Daughter Board 102
- 5.2.2 Memory Modules 102
- 5.3 Motherboard 103
- 5.4 EISA Bus Options 104
- 5.5 ISA Bus Options 105
- 5.6 EISA Configuration Utility 106
- 5.6.2 How to Start the ECU 107
- 5.6.3 Configuring EISA Options 109
- 5.6.4 Configuring ISA Options 110
- 5.7 PCI Bus Options 111
- 5.8 SCSI Buses 112
- 5.8.2 External SCSI Expansion 113
- 5.8.3 SCSI Bus Configurations 114
- 17-03969-01 120
- 5.10.1 set console 121
- 5.10.2 set tt_allow_login 122
- 5.10.3 set tga_sync_green 123
- Replacement 125
- Figure 6–1 FRUs, Front Right 129
- Figure 6–2 FRUs, Rear Left 130
- 6.2 Removal and Replacement 131
- Top Cover 132
- Release Latch 132
- 6.2.1 Cables 133
- Figure 6–7 Power Cord 134
- DC Cable 137
- Assembly 137
- 70-31346-01 138
- External 140
- Terminator 140
- StorageWorks 140
- Backplane 140
- 6.2.3 CPU Daughter Board 145
- 6.2.4 Fans 146
- 6.2.5 StorageWorks Drive 147
- Rear Screws 148
- 6/32 Inch (4) 148
- Internal Screws 148
- 3.5 mm (2) 148
- 6.2.7 Memory Modules 150
- 6.2.8 Interlock Switch 154
- 6.2.9 Motherboard 155
- ECC Banks 159
- 6.2.11 OCP Module 160
- 6.2.12 Power Supply 163
- 6.2.13 Speaker 164
- 6.2.14 Removable Media 165
- Default Jumper Settings 169
- A–2 Default Jumper Settings 170
- A–4 Default Jumper Settings 172
- Default Jumper Settings A–5 173
- Glossary 175
- Glossary–2 176
- Glossary–3 177
- Glossary–4 178
- Glossary–5 179
- Glossary–6 180
- Glossary–7 181
- Glossary–8 182
- Glossary–9 183
- Glossary–10 184
- Glossary–11 185
- Glossary–12 186
- Glossary–13 187
- Glossary–14 188
- Glossary–15 189
- Technical Support 197
- Electronic Orders 197
- BUSINESS REPLY MAIL 200
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