Remove a heat sink . . . . . . . . . . . 108
Remove a processor . . . . . . . . . . . 110
Install a processor . . . . . . . . . . . . 111
Install a heat sink . . . . . . . . . . . . 113
Rack latches replacement . . . . . . . . . . . 115
Remove the rack latches . . . . . . . . . 115
Install the rack latches . . . . . . . . . . 116
RAID flash power module replacement. . . . . . 118
Remove the RAID flash power module on the
chassis . . . . . . . . . . . . . . . . 118
Install the RAID flash power module on the
chassis . . . . . . . . . . . . . . . . 120
Riser card replacement . . . . . . . . . . . . 122
Remove a riser card . . . . . . . . . . . 122
Install a riser card . . . . . . . . . . . . 125
Security bezel replacement . . . . . . . . . . 127
Remove the security bezel . . . . . . . . . 127
Install the security bezel . . . . . . . . . . 129
System fan replacement . . . . . . . . . . . 131
Remove a system fan. . . . . . . . . . . 131
Install a system fan. . . . . . . . . . . . 132
System board (system board assembly)
replacement (trained technician only) . . . . . . 134
Remove the firmware and RoT security
module . . . . . . . . . . . . . . . . 135
Install the firmware and RoT security
module . . . . . . . . . . . . . . . . 137
Remove the system I/O board or processor
board . . . . . . . . . . . . . . . . . 141
Install the system I/O board or processor
board . . . . . . . . . . . . . . . . . 145
Top cover replacement . . . . . . . . . . . . 150
Remove the top cover . . . . . . . . . . 150
Install the top cover . . . . . . . . . . . 152
Complete the parts replacement . . . . . . . . 154
Chapter 6. Internal cable routing . . . 157
Identifying connectors . . . . . . . . . . . . 157
Drive backplane connectors . . . . . . . . 157
CFF RAID adapter . . . . . . . . . . . . . . 159
Front I/O module . . . . . . . . . . . . . . 160
Intrusion switch . . . . . . . . . . . . . . . 161
RAID flash power modules . . . . . . . . . . 162
M.2 drive backplane . . . . . . . . . . . . . 164
Cable routing for backplane power . . . . . . . 165
Cable routing for backplane signals (one
processor) . . . . . . . . . . . . . . . . . 166
4 x 2.5'' front drives (one processor) . . . . . 167
8 x 2.5'' front drives (one processor) . . . . . 169
Cable routing for backplane signals (two
processors) . . . . . . . . . . . . . . . . 171
8x 2.5'' front drives (two processors) . . . . . 172
10 x 2.5'' front drives (two processors) . . . . 174
Chapter 7. System configuration . . . 177
Set the network connection for the Lenovo XClarity
Controller . . . . . . . . . . . . . . . . . 177
Update the firmware . . . . . . . . . . . . . 177
Configure the firmware . . . . . . . . . . . . 180
Memory module configuration . . . . . . . . . 181
RAID configuration . . . . . . . . . . . . . 181
Deploy the operating system. . . . . . . . . . 182
Back up the server configuration . . . . . . . . 182
Chapter 8. Problem
determination . . . . . . . . . . . . . 185
Event logs . . . . . . . . . . . . . . . . . 185
Troubleshooting by system LEDs and diagnostics
display . . . . . . . . . . . . . . . . . . 186
Drive LEDs . . . . . . . . . . . . . . . 186
Front operator panel LEDs . . . . . . . . . 187
External diagnostics handset . . . . . . . . 188
XCC system management port LEDs. . . . . 194
Power supply LEDs . . . . . . . . . . . 195
System-board-assembly LEDs . . . . . . . 196
LEDs on the firmware and RoT security
module . . . . . . . . . . . . . . . . 198
General problem determination procedures . . . . 199
Resolving suspected power problems . . . . 200
Resolving suspected Ethernet controller
problems . . . . . . . . . . . . . . . 200
Troubleshooting by symptom . . . . . . . . . 201
Hard disk drive problems . . . . . . . . . 201
Intermittent problems. . . . . . . . . . . 204
Keyboard, mouse, KVM switch or USB-device
problems . . . . . . . . . . . . . . . 205
Memory problems . . . . . . . . . . . . 206
Monitor and video problems . . . . . . . . 207
Observable problems. . . . . . . . . . . 209
Optional-device problems . . . . . . . . . 212
Performance problems . . . . . . . . . . 213
Power on and power off problems . . . . . . 214
Power problems . . . . . . . . . . . . . 216
Software problems. . . . . . . . . . . . 216
Appendix A. Hardware
disassembling for recycle . . . . . . . 217
Disassemble the system board (system board
assembly) for recycle. . . . . . . . . . . . . 217
Appendix B. Getting help and
technical assistance . . . . . . . . . . 221
Before you call . . . . . . . . . . . . . . . 221
Collecting service data . . . . . . . . . . . . 222
ii ThinkSystem SR645 V3 User Guide