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1-12 AlphaServer DS20L User’s Guide

1.3.3 Halt Button

The AlphaServer DS20L has a Halt button under the front bezel.

The Halt button is accessible through an opening on the front panel of the

system. To use it, remove the bezel (see Section 1.3.1) and insert a slender

object through the access hole to push it in. See Figure 1-4.

Figure 1-4 Halt Button Location

MR0361

Halt button recessed in cabinet

Long slender object used to reach button

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 151 152

AlphaServer DS20L 1
Contents 5
Preface 11
Documentation Titles 12
Information on the Internet 12
Chapter 1 13
Overview 13
1.2 Specifications 16
Figure 1-1 Power Connectors 17
1.2.3 Environmental 18
1.2.3.1 Safety 19
1.2.3.2 EMC 19
1.2.4 Physical 20
1.2.5 Acoustical 21
1.3.3 Halt Button 24
10 56789 4 25
Chapter 2 29
Installation and Options 29
Figure 2-1 Rear Connectors 30
2.2 Installing Options 31
2.3 Removal from a Rack 32
2.3.3 PCI Options 36
. Remove the 36
2.3.5 CD-ROM 42
TOP VIEW 43
Chapter 3 45
Operation 45
3.1.4 Alpha SRM Console 46
3.1.5 Power-Up Display 47
3.2 Operating Systems 48
3.2.1.1 auto_action 49
3.2.1.2 bootdef_dev 50
3.2.1.3 boot_file 51
3.2.1.4 boot_osflags 52
3.2.2 Booting Tru64 UNIX 56
3.3 Updating Firmware 65
1. Start LFU 66
3.3.2 LFU Commands 69
Chapter 4 73
Remote Management 73
4.2 Basic Remote Control 74
4.3 The WOL Utility 75
4.3.1 Operation 76
4.3.2 Restrictions 77
4.3.3 Commands 77
4.3.4 Exit Status 77
4.3.5 Error Conditions 77
4.3.6 Examples 78
4.3.7 Environment Variables 79
Chapter 5 81
Basic Troubleshooting 81
5.2 Halting the System 83
5.4 Fan Status Display 86
Figure 5-3 Fan Locations 87
Appendix A 89
SRM Console 89
A.3 Command Summary 92
A.3.1 Commands: Syntax 94
A.4 Show Commands 97
A.4.2 Show Device 99
A.4.3 Show hwrpb 101
SRM Console A-15 103
SRM Console A-17 105
A.4.4 Show IDE 106
A.4.5 Show Memory 107
A.4.6 Show PAL 107
A.4.7 Show Power 108
SRM Console A-21 109
A.4.8 Show Version 110
See Example A–10 112
Example A– 11 Boot Command 114
A.8 Testing the System 116
SRM Console A-29 117
A.9 Set Commands 118
A.9.2 Set Secure 119
A.10 Secure Mode 120
A.11 Clear Password 121
A.13 Updating Firmware 123
A.15.1 set envar 125
A.15.2 show envar 126
SRM Console A-41 129
A.17 Reading a File 130
A.19 Finding Help 132
A.20.1 ac_action 135
A.20.2 auto_action 135
A.20.3 bootdef_dev 136
A.20.4 boot_osflags 136
A.20.5 com1_baud 137
A.20.6 ew*0_mode 138
A.20.7 ew*0_protocols 138
A.20.8 os_type 139
A.20.9 password 139
A.20.10 pci_parity 140
A.20.11 pk*0_fast 140
A.20.12 pk*0_host_id 141
A.20.14 sysvar 142
A.20.15 tt_allow_login 142
A.20.16 wol_enable 143
Index-1 145
Index-2 146
Index-3 147
Index-4 148
Index-5 149
Index-6 150
Index-7 151

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