Lenovo ThinkSystem SR655 V3 User Manual

Install a power supply unit . . . . . . . . . 101
Processor and heat sink replacement (trained
technician only) . . . . . . . . . . . . . . . 103
Remove a heat sink . . . . . . . . . . . 104
Remove a processor . . . . . . . . . . . 107
Install a processor . . . . . . . . . . . . 108
Install a heat sink . . . . . . . . . . . . 109
Rack latches replacement . . . . . . . . . . . 112
Remove the rack latches . . . . . . . . . 112
Install the rack latches . . . . . . . . . . 115
RAID flash power module replacement. . . . . . 117
Remove a RAID flash power module from the
air baffle . . . . . . . . . . . . . . . . 117
Install a RAID flash power module on the air
baffle . . . . . . . . . . . . . . . . . 118
Rearwall bracket replacement . . . . . . . . . 119
Remove a rearwall bracket. . . . . . . . . 120
Install a rearwall bracket. . . . . . . . . . 122
Security bezel replacement . . . . . . . . . . 124
Remove the security bezel . . . . . . . . . 124
Install the security bezel . . . . . . . . . . 125
System board assembly replacement (trained
technician only) . . . . . . . . . . . . . . . 127
Remove the firmware and RoT security
module . . . . . . . . . . . . . . . . 128
Install the firmware and RoT security
module . . . . . . . . . . . . . . . . 130
Remove the system I/O board or processor
board . . . . . . . . . . . . . . . . . 134
Install the system I/O board or processor
board . . . . . . . . . . . . . . . . . 137
System fan replacement . . . . . . . . . . . 141
Remove a system fan. . . . . . . . . . . 142
Install a system fan. . . . . . . . . . . . 143
System fan cage replacement . . . . . . . . . 146
Remove the system fan cage. . . . . . . . 146
Install the system fan cage. . . . . . . . . 147
Top cover replacement . . . . . . . . . . . . 148
Remove the top cover . . . . . . . . . . 148
Install the top cover . . . . . . . . . . . 150
Complete the parts replacement . . . . . . . . 151
Chapter 6. Internal cable routing . . . 153
Identifying connectors . . . . . . . . . . . . 154
Drive backplane connectors . . . . . . . . 154
Front VGA connector and external diagnostics
connector . . . . . . . . . . . . . . . . . 157
Front I/O module . . . . . . . . . . . . . . 158
Intrusion switch . . . . . . . . . . . . . . . 159
RAID flash power module . . . . . . . . . . . 160
Connections between the processor board and fan
board . . . . . . . . . . . . . . . . . . . 162
Backplanes: server models with 2.5-inch front drive
bays . . . . . . . . . . . . . . . . . . . 163
One 8 x SAS/SATA backplane . . . . . . . 166
One 8 x AnyBay backplane . . . . . . . . 169
Two 8 x SAS/SATA backplanes . . . . . . . 176
One 8 x SAS/SATA and one 8 x AnyBay
backplanes. . . . . . . . . . . . . . . 179
Backplanes: server models with 3.5-inch front
drive bays . . . . . . . . . . . . . . . . . 184
12 x 3.5-inch SAS/SATA backplane . . . . . 186
Chapter 7. System configuration . . . 189
Set the network connection for the Lenovo XClarity
Controller . . . . . . . . . . . . . . . . . 189
Update the firmware . . . . . . . . . . . . . 190
Configure the firmware . . . . . . . . . . . . 194
Memory module configuration . . . . . . . . . 195
RAID configuration . . . . . . . . . . . . . 195
Deploy the operating system. . . . . . . . . . 195
Back up the server configuration . . . . . . . . 196
Chapter 8. Problem
determination . . . . . . . . . . . . . 197
Event logs . . . . . . . . . . . . . . . . . 197
Troubleshooting by system LEDs and diagnostics
display . . . . . . . . . . . . . . . . . . 198
Drive LEDs . . . . . . . . . . . . . . . 198
Front operator panel LEDs . . . . . . . . . 199
External diagnostics handset . . . . . . . . 200
XCC system management port LEDs. . . . . 206
Power supply LEDs . . . . . . . . . . . 207
System-board-assembly LEDs . . . . . . . 209
LEDs on the firmware and RoT security
module . . . . . . . . . . . . . . . . 211
General problem determination procedures . . . . 212
Resolving suspected power problems . . . . 213
Resolving suspected Ethernet controller
problems . . . . . . . . . . . . . . . 213
Troubleshooting by symptom . . . . . . . . . 215
Fan board problems . . . . . . . . . . . 215
Hard disk drive problems . . . . . . . . . 215
Intermittent problems. . . . . . . . . . . 217
Keyboard, mouse, KVM switch or USB-device
problems . . . . . . . . . . . . . . . 219
Memory problems . . . . . . . . . . . . 220
Monitor and video problems . . . . . . . . 221
Observable problems. . . . . . . . . . . 223
Optional-device problems . . . . . . . . . 226
Performance problems . . . . . . . . . . 227
Power on and power off problems . . . . . . 228
Power supply and PIB problems . . . . . . 229
Software problems. . . . . . . . . . . . 230
ii ThinkSystem SR655 V3 User Guide

Lenovo ThinkSystem SR655 V3 Specifications

General

Processor	AMD EPYC 9004 Series
Form Factor	2U rack server
Memory	Up to 6TB
Memory Slots	24 DIMM slots
Storage	Up to 24 x 2.5" or 12 x 3.5" drives
NVMe Support	Yes
Networking	Multiple 1Gb/10Gb/25Gb/100Gb options
Expansion Slots	Up to 8x PCIe 5.0 slots
Operating System Support	Windows Server, VMware, Linux distributions
Cores per Processor	Up to 96 cores