Dell PowerEdge R900 User Manual Page 98
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98 Installing System Components
Installing a Memory Riser
CAUTION: Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. See your Product
Information Guide for complete information about safety precautions, working
inside the computer, and protecting against electrostatic discharge.
1
Ensure power is removed.
2
Open the system. See "Removing the Top Cover" on page 60.
3
Ensure the memory riser latches are rotated away from the memory riser.
4
Align the memory riser connector with the connector on the system board.
5
Lower the memory riser until the memory riser latches engage the chassis
(in front) and the back fan housing.
6
Press down on the memory riser latches to lever the memory riser onto the
system board.
Memory Population Rules
• Memory must be populated beginning with Memory Riser_A, slot 1. This
is DIMM slot A1. Memory Riser_A is at the right side of the system.
• To increase memory capacity, additional memory can be added to Memory
Riser_A beginning with slot A2, and followed by slot A3 and then slot A4.
• Additional memory can be added by installing identical pairs of DIMMs in
the lowest numbered available slots.
• Identically numbered FBDIMM sockets for both memory risers in a
branch must be populated with FBDIMMs identical in terms of timing,
technology, and size. For example, DIMM A1 and B1 must be identical,
and DIMM C1 and D1 must be identical.
• FBDIMMs installed in different socket positions (numbers) on a memory
riser do not need to be identical. For example, DIMMs A1 and B1 can be
different from DIMMs A2 and B2.
• If memory mirroring is not required, FBDIMMs installed in the same
socket positions (numbers) across the two branches do not need to be
identical. For example, DIMMs A1 and B1 can be different from DIMMs
C1 and D1.
- 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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