RAID adapter 186
rear 7mm drive cage 216
the chassis air baffle 218
top cover 222
installation 
guidelines 148
installation guidelines 148
installation order 
DIMM 151
DIMM (memory mirroring) 156
DIMM (memory sparing) 158
DRAM DIMM 151
memory module (memory mirroring) 156
memory module (memory sparing) 158
PMEM 151
installing 
DIMM 201
installing 
memory module 201
memory module 
installing 201
installPCIe riser assembly 190, 207, 221
internal, 4U PCIe riser cage connectors 35
internal, PCIe riser card connectors 33
internal, power backplane connectors 30
internal, processor and memory expansion tray 29
internal, system board connectors 26–27
introduction 1
intrusion switch 138
L
LCD 
diagnostics panel 17
LCD diagnostics handset 
External 17
Lenovo Capacity Planner 9
Lenovo XClarity Essentials 9
Lenovo XClarity Provisioning Manager 9
M
M.2 backplane 138 
install 211
M.2 drive backplane 
remove 174
management offerings 9
memory configuration 231
memory expansion tray 144
memory mirroring 156 
DIMM installation order 156
memory module installation order 156
memory module installation order 159, 164 
independent memory mode 154
memory mirroring 156
memory sparing 158
memory sparing 158 
DIMM installation order 158
memory module installation order 158
microprocessor 
option install 197
N
non-mirroring memory mode 
DIMM installation order 154
NVMe 165
O
option 138
option install 
CPU 197
microprocessor 197
PHM 197
processor 197
processor-heat-sink module 197
P
particulate contamination 8
parts list 37
PCIe 
PCIe riser-car assembly 
replacement 184
PCIe expansion tray 
install 209
remove 176
PCIe riser 
connectors 140–141
PCIe riser cage 
connectors 141
PHM 
option install 197
PMEM 159, 164
power cords 41
power off the server 224
power on the server 224
power supply 
install 167
processor 
option install 197
processor and memory expansion tray 
install 203
remove 193
Processor and memory expansion tray connector 29
processor-heat-sink module 
option install 197
R
RAID adapter 186
rear 7mm drive cage 
install 216
rear view 
of the server 22
remove 
7mm drive 171
7mm drive cage 174
fan cage assembly 180
M.2 drive backplane bracket 174
PCIe expansion tray 176
processor and memory expansion tray 193
system board air baffle 192
top cover 170
replacement 
PCIe 
PCIe riser-car assembly 184
routing the server cables 43
S
safety iii
safety inspection checklist iv, 149
SATA/SAS 165
server rear view 22
server setup 147
server setup checklist 147
server, front view 15
248 ThinkSystem SR860 V2Setup Guide