Dell PowerEdge R900 User Manual Page 68
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68 Installing System Components
Power Supplies
Two po we r su pp lie s power your system.
NOTE: Your system can operate using only one power supply, but with severely
degraded performance.
Removing a Power Supply
NOTICE: The system requires one power supply for the system to operate normally.
The system is in the redundant mode when two power supplies are installed and
both power supplies are connected to an AC power source. Remove and replace
only one power supply at a time in a system that is powered on. Operating the
system with only one power supply installed and without a power supply blank
installed for extended periods of time can cause the system to overheat.
NOTICE: If only one power supply is installed, it must be installed in power supply
bay (1).
NOTICE: If you connect the system to a power source in the range of 120 to 220
VAC, and if two power supplies are installed, the second power supply serves as a
redundant, hot-plug power source.
1
If your system has a single power supply, remove power from the system
and all attached peripherals. For a redundant system, you can leave the
system running and proceed to the next step.
2
Disconnect the power cable from the power source.
3
Disconnect the power cable from the power supply.
4
Depress the power supply latch and then pull the power supply lever to
extract the power supply out of the chassis. See Figure 3-6.
5
Pull the power supply straight out to clear the chassis.
- Dell™ PowerEdge™ R900 Systems 1
- Hardware Owner’s Manual 1
- Notes, Notices, and Cautions 2
- Contents 3
- 4 Contents 4
- 6 Contents 6
- 8 Contents 8
- 10 Contents 10
- About Your System 11
- SAS adapter User’s 12
- BMC User’s Guide 12
- DRAC User’s Guide 13
- 14 About Your System 14
- Hard Drive Indicator Codes 15
- Connecting External Devices 18
- 12 11 10 9 19
- Power Indicator Codes 20
- NIC Indications 22
- LCD Status Messages 22
- SYSTEM NAME 23
- Getting 25
- Started Guide 25
- User’s Guide 29
- Removing LCD Status Messages 33
- System Messages 34
- 36 About Your System 36
- 38 About Your System 38
- Warning Messages 39
- Diagnostics Messages 39
- Alert Messages 39
- 40 About Your System 40
- Responding to Error Messages 41
- System Setup Options 43
- Memory Information Screen 45
- CPU Information Screen 45
- Integrated Devices Screen 46
- PCI IRQ Screen 47
- Serial Communication Screen 47
- System Security Screen 48
- Exit Screen 49
- Using the System Password 50
- Changing the System Password 52
- Using the Setup Password 53
- Disabling the System Password 54
- BMC Setup Module Options 55
- Entering the BMC Setup Module 55
- Recommended Tools 58
- Inside the System 58
- Removing the Top Cover 60
- Installing the Top Cover 60
- 1 Latch 2 Latch release lock 61
- 3 Alignment J hooks 61
- Hard Drives 62
- Installing a Drive Blank 63
- SATAu SAS 67
- Power Supplies 68
- Installing a Power Supply 69
- System Fans 70
- Removing a Back System Fan 72
- Installing a Back System Fan 73
- Cooling Shroud 76
- Installing the Cooling Shroud 77
- SAS Controller Card 78
- 3 RAID DIMM 4 Card latch 79
- RAID Battery 84
- Removing a RAID Battery 85
- Configuring the Boot Device 86
- PCI Express Add-in Cards 86
- Optical Drive 88
- Installing the Optical Drive 89
- System Memory 92
- Memory Sparing Support 93
- Memory Mirroring Support 94
- Removing a Memory Riser 96
- 5 Back fan housing 97
- Installing a Memory Riser 98
- Memory Population Rules 98
- Installing Memory Modules 99
- Installing System Components 100
- Processors 101
- 5 Retention clip sides 103
- Removing a Processor 104
- Installing a Processor 105
- System Battery 108
- Activating the NIC TOE 110
- I/O Riser 110
- Installing the I/O Riser 111
- Installing a DRAC 112
- Removing the System Board 122
- Installing the System Board 124
- Troubleshooting Your System 127
- Checking the Equipment 128
- Troubleshooting the Keyboard 130
- Troubleshooting the Mouse 131
- Troubleshooting a USB Device 132
- Troubleshooting a NIC 133
- Troubleshooting a Wet System 134
- Troubleshooting a Fan 138
- Troubleshooting System Memory 139
- Troubleshooting a Hard Drive 142
- Troubleshooting Processors 147
- Using PowerEdge Diagnostics 149
- System Diagnostics Features 149
- Executing System Diagnostics 150
- Using the Custom Test Options 151
- Jumpers and Connectors 153
- 154 Jumpers and Connectors 154
- SAS Backplane Connectors 156
- 158 Jumpers and Connectors 158
- Power Interposer Connectors 160
- 1 2 3 654 161
- Product Information Guide 162
- Jumpers and Connectors 163 163
- 164 Jumpers and Connectors 164
- Getting Help 165
- Online Services 166
- Problems With Your Order 167
- Product Information 167
- Before You Call 168
- Contacting Dell 170
- 172 Glossary 172
- 174 Glossary 174
- 176 Glossary 176
- 178 Glossary 178
- 180 Glossary 180
- 182 Glossary 182
- Index 183 183
- Index 184 184
- Index 185 185
- Index 186 186
- Index 187 187
- Index 188 188
- Index 189 189
- 190 Index 190
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