Dell PowerEdge R910 Owner's Manual Page 155
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Installing System Components 155
Removing a Power Supply
CAUTION: The system requires one power supply to operate the system normally.
On power-redundant systems, remove and replace only one power supply at a time
in a system that is powered on.
1
Disconnect the power cable from the power source.
2
Disconnect the power cable from the power supply and remove the Velcro
straps that bundle and secure the system cables.
NOTE: You may have to unlatch and lift the optional cable management arm if
it interferes with power-supply removal. For information about the cable
management arm, see the system’s rack documentation.
3
Pull the power supply straight out to release it from the power distribution
board and clear the chassis.
If you are permanently removing the power supply, you must install a
power supply blank to ensure proper system cooling. See "Installing the
Power Supply Blank" on page 157.
Table 3-5. Power Supply Redundancy Modes With a 1 GbE I/O Card
Number of Power Supplies Redundancy Mode System Configuration
1 1+0* Non-redundant
configuration
2 1+1* Redundant configuration
2 2+0 Non-redundant
configuration
3 2+1 Redundant configuration
4 2+2 Redundant configuration
*indicates that the system operates with a limited load.
book.book Page 155 Wednesday, January 20, 2010 10:20 AM
- Hardware Owner’s 1
- Notes, Cautions, and Warnings 2
- Contents 3
- UEFI Boot Manager 4
- 6 Contents 6
- 8 Contents 8
- 10 Contents 10
- About Your System 11
- 12 About Your System 12
- LCD Panel Features 14
- Home Screen 15
- Setup Menu 16
- View Menu 17
- Hard-Drive Indicator Patterns 18
- 20 About Your System 20
- NIC Indicator Codes 21
- Power Indicator Codes 22
- LCD Status Messages 23
- Removing LCD Status Messages 24
- 26 About Your System 26
- 28 About Your System 28
- 30 About Your System 30
- 32 About Your System 32
- 34 About Your System 34
- 36 About Your System 36
- 38 About Your System 38
- 40 About Your System 40
- System Messages 41
- 42 About Your System 42
- 44 About Your System 44
- 46 About Your System 46
- 48 About Your System 48
- 50 About Your System 50
- 52 About Your System 52
- 54 About Your System 54
- 56 About Your System 56
- 58 About Your System 58
- <message> 59
- Warning Messages 60
- Diagnostics Messages 60
- Alert Messages 60
- About Your System 61 61
- 62 About Your System 62
- Choosing the System Boot Mode 63
- Responding to Error Messages 64
- System Setup Options 65
- Memory Settings Screen 67
- Processor Settings Screen 68
- SATA Settings Screen 69
- Boot Settings Screen 69
- Integrated Devices Screen 70
- PCI IRQ Assignments Screen 71
- Serial Communication Screen 72
- Power Management Screen 73
- System Security Screen 74
- Exit Screen 76
- UEFI Boot Manager Screen 77
- UEFI Boot Settings Screen 78
- System Utilities Screen 78
- Using the System Password 79
- Using the Setup Password 81
- Embedded System Management 82
- Front Bezel (Optional) 87
- System Identification Panel 88
- Opening the System 89
- Closing the System 90
- System Memory 91
- Removing a Memory-Riser Blank 99
- Removing a Memory Riser 100
- Installing a Memory Riser 101
- Installing Memory Modules 102
- Removing Memory Modules 105
- Installing System Components 106
- Hard Drives 107
- Installing a Hard-Drive Blank 108
- Removing a Hard-Drive Blank 108
- Removing a Hard Drive 109
- Installing a Hard Drive 110
- Figure 3-14 112
- Optical Drive 113
- Installing an Optical Drive 115
- Cooling Fans 116
- Installing a Cooling Fan 117
- Internal USB Memory Key 120
- Integrated NIC Hardware Key 123
- Installing an Expansion Card 126
- Removing an Expansion Card 128
- 1 latch 2 panel 130
- I/O Card 134
- Installing the I/O Card 135
- VFlash Media (Optional) 139
- Internal SD Card (Optional) 142
- RAID Battery 146
- Installing the RAID Battery 147
- Processors 148
- Installing a Processor 152
- Power Supplies 154
- Removing a Power Supply 155
- Installing a Power Supply 156
- System Battery 157
- SAS Backplane 159
- Power Distribution Board 161
- Control Panel Assembly 163
- System Board 168
- Installing the System Board 170
- Troubleshooting Your System 173
- Troubleshooting a USB Device 174
- Troubleshooting a NIC 175
- Troubleshooting a Wet System 176
- Troubleshooting a Fan 180
- Troubleshooting System Memory 181
- Troubleshooting a Hard Drive 186
- Using Online Diagnostics 193
- Using the Custom Test Options 195
- Jumpers and Connectors 197
- System Board Connectors 198
- 200 Jumpers and Connectors 200
- Getting Help 203
- 204 Getting Help 204
- Index 205 205
- Index 206 206
- Index 207 207
- Index 208 208
- Index 209 209
- Index 210 210
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