Compaq DS20E - AlphaStation - 1 GB RAM Guía para resolver problemas Pagina 30
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1-14 DS20E Reference Guide
Compaq Confidential – Need to Know Required
Writer: Robert Young Project: DS20E Reference Guide Comments:
Part Number: ER-K8F6W-UA .A01 File Name: b-ch1 System Overview.doc Last Saved On: 10/4/99 1:23 PM
System Fan Configuration
N+1 Configuration
The system has two fans; for optimal cooling, both fans are running. If one of
the fans were to fail or were removed for servicing (hot-swapping), the system
will continue to function with the other fan running.
As system temperature rises, the fan speed increases to increase cooling. If the
system temperature rises above 50ºC (due to high system loads or high
ambient temperature), the system software will receive an I/O interrupt and the
system will shut down within 30 seconds.
Thermostatic System Fan Control
The fan control thermostat is located at ➏ in Figure 1-5. The thermostat is set
to drive the fans at their minimum speed
in normal computer room
environments below 26 degrees C to keep noise levels low. At higher
temperatures, the fans run faster to provide more air flow.
As an ultimate backup, system shutdown will be initiated if the internal
temperature reaches 50-55ºC. Firmware or software sets this value.
N+1 Hot-Swap Power Supply Configuration
The SFM enforces the system requirement to have two functional power
supplies in order to operate. Using the
≤ 30 second shutdown timer, the SFM
shuts down the system if the number of working power supplies ever falls
below two. In a three power supply configuration, a power supply may be
removed for servicing without interrupting system operation. An I/O interrupt
will be generated whenever the number of power supplies in operation
changes, and the status LEDs will indicate the change also.
Cover Interlock
The system does not operate with the system enclosure open. System power
cannot be turned on until the cover is closed. If the cover is opened while the
system is running, power will shut off immediately.
The cover connector is found on the SFM at J2, and
➌ in Figure 1-5.
- AlphaServer DS20E 1
- AlphaStation DS20E 1
- Contents 3
- Chapter 2 4
- Chapter 3 4
- Chapter 4 5
- Chapter 5 5
- Chapter 6 5
- Chapter 7 5
- Chapter 8 6
- Chapter 9 6
- Chapter 10 7
- Chapter 11 7
- Appendix A 8
- Appendix C 8
- Appendix D 8
- List of Figures and Examples 9
- List of Tables 11
- About This Guide 13
- Symbols in Text 14
- Symbols on Equipment 14
- Rack Stability 15
- Getting Help 15
- Compaq Website 16
- Compaq Authorized Reseller 16
- System Overview 17
- System Introduction 18
- System Overview 1-3 19
- System Architecture 20
- System Features 22
- System Overview 1-7 23
- Table 1-1 23
- System Components 24
- Table 1-2 25
- System Parts 25
- System Features Module 26
- Table 1-3 27
- SFM Key Features 27
- SFM Switch Pack 28
- SFM Status LEDs 29
- System Fan Configuration 30
- Cover Interlock 30
- Processor Modules 31
- Table 1-5 32
- Typical SDRAM Configurations 32
- Hard Disk Drive Storage 34
- Power Supplies 35
- 2-Way Combination Module 36
- Operator Control Panel 37
- Table 1-6 38
- Control Panel Functions 38
- Table 1-7 38
- System Power LED Indicator 38
- Figure 1-12. Diagnostic LEDs 39
- Rear Panel 40
- Table 1-8 41
- Storage Device LEDs 42
- Table 1-9 43
- ❶ and the 44
- ❷ and FDD drive ❸ 44
- User Interface 45
- Console Terminal 46
- System Options 47
- External Options 48
- Ordering Options 48
- Installing the Pedestal 49
- Selecting a System Location 50
- Power Requirements 51
- Shipment Box 52
- Installing the System 53
- Table 2-1 54
- System Cable Connections 54
- Locking Your System 55
- will stick out past the 61
- ❺. To attach the front 62
- CAUTION: 64
- Connecting the Cables 66
- Installation 67
- Table 3-1 67
- Table 3-2 69
- Accessories List 69
- ❷ and continuing to pull 71
- Preparing the Rack 74
- Attaching Slides Brackets 75
- Stabilizing the Rack 76
- CAT0157A 78
- Dressing the Cables 82
- Attaching the Front Bezel 83
- Tru64 UNIX Systems 88
- OpenVMS Systems 89
- Table 4-1 90
- OpenVMS Boot Flag Settings 90
- Booting Tru64 UNIX 93
- 3. Install the boot medium 94
- Booting OpenVMS 99
- 5. Install the boot medium 100
- Powering Off the System 104
- Booting Linux 105
- Reconfiguring the System 109
- Memory Configuration 111
- Table 5-1 112
- Network Configuration 113
- ISA Options 114
- PCI Option Modules 117
- Table 5-2 118
- Updating the Firmware 119
- Using the AlphaBIOS 121
- AlphaPowered 122
- PK-0916-96 123
- Keyboard Conventions and Help 124
- Terminal 125
- Upgrading AlphaBIOS 126
- (Updating Firmware) 126
- Using the AlphaBIOS 6-7 127
- 6-8 DS20E Reference Guide 128
- Using the AlphaBIOS 6-9 129
- Utilities 130
- Using the Storage Subsystems 133
- Storage Subsystem Overview 134
- Table 7–1 135
- Table 7-2 136
- SCSI Bus Controller 137
- Disk Drive Configuration 138
- Backplane Connector 139
- Slot No. SCSI ID 139
- 7-8 DS20E Reference Guide 140
- Hot Swap 141
- Drive Carriers 142
- Removing the Drive Carriers 143
- DVA00032 143
- Drive Status LEDs 144
- Table 7– 5 145
- LED Status 145
- Installing Drive Carriers 146
- Removing 147
- ■ Single 4-slot subsystem 148
- ■ Single 6-slot subsystem 148
- Backplane 149
- Multimode SCSI Termination 151
- Combination CD-ROM and 151
- Floppy Drive 151
- Removing and Replacing a 152
- Combination Drive 152
- Spare Removable Media Bay 153
- External SCSI Expansion 155
- Installing Components 157
- Components 158
- Before You Begin Removal 159
- 1. Remove the bezel 160
- 3. Remove the panel 160
- 2. Slide the panel forward 161
- 3. Replace the screw 161
- Installing a Processor Module 163
- 8-8 DS20E Reference Guide 164
- Table 8-1 167
- Memory Bank Location 167
- To Remove a Memory DIMM 168
- To Install a Memory DIMM 169
- Configuring an Option Module 170
- Network Interface Module 170
- To Install an Option Module 172
- CAT0037 173
- Installing Storage Devices 174
- Removable Bay SCSI Device 174
- Installing Components 8-19 175
- 8-20 DS20E Reference Guide 176
- Troubleshooting 177
- Troubleshooting Overview 178
- System Error Beep Codes 179
- Power Problems 180
- Overheating Problems 181
- Boot Problems 182
- Table 9-5 183
- Hot-Swap Drive Status LEDs 183
- PCI Bus Problems 184
- Monitor and Terminal Problems 185
- Keyboard and Mouse Problems 186
- Printer Problems 186
- Managing the System Remotely 187
- RMC Overview 188
- First-Time Setup 189
- Dialing In and Invoking RMC 190
- RMC> hangup 191
- RMC Commands 193
- Command Conventions 194
- *** ERROR *** 198
- Table 10-2 199
- RMC Status Command Fields 199
- Using the RMC Switch Pack 200
- Uses of the Switch Pack 201
- Changing a Switch Setting 202
- Troubleshooting Guide 204
- Modem Dialog Details 205
- Using the SRM Console 207
- Invoking the SRM Console 209
- Command Summary 210
- Using the SRM Console 11-5 211
- Table 11-1 211
- Table 11-2 212
- Table 11-3 213
- Using the SRM Console 11-9 215
- [controller_name] 218
- Table 11-4 219
- Device Naming convention 219
- Table 11-5 219
- PCI Address Assignments 219
- P00>>> show version 222
- P00>>> 222
- Creating a Power-Up Script 223
- Editing the Nvram Script 224
- Booting the Operating System 225
- Configuring the System 227
- Using the SRM Console 11-23 229
- Configuring the ISA Bus 230
- Using the SRM Console 11-25 231
- Testing the System 233
- Making the System Secure 235
- Secure Mode Functions 236
- Example 11-16. Login Command 238
- 1. Enter the login command: 239
- Stopping and Starting CPUs 241
- Updating Firmware 243
- Example 11-19. Lfu Command 244
- Forcing a System Crash Dump 245
- Using Environment Variables 246
- Depositing and Examining Data 249
- Using the SRM Console 11-45 251
- Reading a File 253
- Initializing the System 254
- Finding Help 256
- Environment Variable Summary 257
- Table 11-6 258
- Table 11-7 261
- (Français) 264
- Enables PCI parity checking 267
- Disables PCI parity checking 267
- 1 (default) 268
- tt_allow_login 269
- Regulatory Compliance Notices 271
- Class A Equipment 272
- Modifications 274
- European Union Notice 275
- Safety Interlocks 276
- Australian Notice 276
- Laser Devices 276
- Laser Safety Warnings 277
- Laser Product Label 277
- Battery Replacement Notice 278
- Mouse Compliance Statement 279
- Appendix B 281
- Grounding Methods 282
- Power Cord Requirements 283
- Country-Specific Requirements 284
- Power Cord Requirements C-3 285
- System Specifications 287
- Rackmount 288
- Rackmount Cabinet 288
- Environmental Specifications 289
- Electrical Specifications 290
- System Specifications D-5 291
- Acoustical Data 292
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