Contents
Contents .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  i
Safety .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . v
Safety inspection checklist .  .  .  .  .  .  .  .  .  .  . vi
Chapter 1.  Introduction .  .  .  .  .  .  .  .  . 1
Features.  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  1
Tech Tips .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  2
Security advisories .  .  .  .  .  .  .  .  .  .  .  .  .  .  2
Specifications .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  3
Technical specifications.  .  .  .  .  .  .  .  .  .  .  3
Mechanical specifications .  .  .  .  .  .  .  .  .  .  7
Environmental specifications .  .  .  .  .  .  .  .  .  8
Management options.  .  .  .  .  .  .  .  .  .  .  .  .  11
Chapter 2.  Server components .  .  .  .  15
Front view .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  15
Front I/O module .  .  .  .  .  .  .  .  .  .  .  .  .  .  21
Rear view .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  24
Top view .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  29
System-board-assembly layout .  .  .  .  .  .  .  .  30
System-board-assembly connectors.  .  .  .  .  30
System-board-assembly switch .  .  .  .  .  .  32
System LEDs and diagnostics display .  .  .  .  .  .  34
Chapter 3.  Parts list .  .  .  .  .  .  .  .  .  .  35
2.5-inch drive bay chassis.  .  .  .  .  .  .  .  .  .  .  35
3.5-inch drive bay chassis.  .  .  .  .  .  .  .  .  .  .  39
Power cords .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  42
Chapter 4.  Unboxing and setup .  .  .  .  43
Server package contents .  .  .  .  .  .  .  .  .  .  .  43
Identify the server and access the Lenovo XClarity  
Controller .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  43
Server setup checklist .  .  .  .  .  .  .  .  .  .  .  .  45
Chapter 5.  Hardware replacement  
procedures .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  47
Installation Guidelines .  .  .  .  .  .  .  .  .  .  .  .  47
Safety inspection checklist.  .  .  .  .  .  .  .  .  48
System reliability guidelines .  .  .  .  .  .  .  .  49
Working inside the server with the power on .  .  50
Handling static-sensitive devices .  .  .  .  .  .  50
Technical rules .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  51
Memory module installation rules and order .  .  51
PCIe slots and PCIe adapters .  .  .  .  .  .  .  54
Thermal rules .  .  .  .  .  .  .  .  .  .  .  .  .  .  59
Power on and power off the server .  .  .  .  .  .  .  61
Power on the server .  .  .  .  .  .  .  .  .  .  .  61
Power off the server .  .  .  .  .  .  .  .  .  .  .  62
Server replacement .  .  .  .  .  .  .  .  .  .  .  .  .  62
Remove the server from rack .  .  .  .  .  .  .  .  63
Install the server to rack .  .  .  .  .  .  .  .  .  .  66
Air baffle replacement .  .  .  .  .  .  .  .  .  .  .  .  70
Remove the air baffle .  .  .  .  .  .  .  .  .  .  .  70
Install the air baffle .  .  .  .  .  .  .  .  .  .  .  .  72
Cable wall bracket replacement .  .  .  .  .  .  .  .  75
Remove the cable wall bracket .  .  .  .  .  .  .  75
Install the cable wall bracket .  .  .  .  .  .  .  .  76
CMOS battery (CR2032) replacement .  .  .  .  .  .  77
Remove the CMOS battery .  .  .  .  .  .  .  .  77
Install the CMOS battery .  .  .  .  .  .  .  .  .  79
Front adapter cage replacement .  .  .  .  .  .  .  .  81
Remove the front adapter cage .  .  .  .  .  .  .  82
Install the front adapter cage .  .  .  .  .  .  .  .  86
Front OCP module and OCP interposer card  
replacement .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  91
Front OCP module replacement.  .  .  .  .  .  .  91
OCP interposer card replacement .  .  .  .  .  .  94
Front PCIe adapter and riser card replacement .  .  103
Remove the front PCIe adapter and riser  
card .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  104
Install the front PCIe adapter and riser  
card .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  107
Front drive backplane replacement .  .  .  .  .  .  .  110
Remove the front 2.5-inch drive backplane .  .  110
Install the front 2.5-inch drive backplane .  .  .  113
Remove the front 3.5-inch drive backplane .  .  116
Install the front 3.5-inch drive backplane .  .  .  118
Front I/O module replacement .  .  .  .  .  .  .  .  .  120
Remove the front I/O module .  .  .  .  .  .  .  .  121
Install the front I/O module .  .  .  .  .  .  .  .  .  123
GPU replacement .  .  .  .  .  .  .  .  .  .  .  .  .  .  125
Remove a GPU adapter .  .  .  .  .  .  .  .  .  .  126
Install a GPU adapter .  .  .  .  .  .  .  .  .  .  .  129
Hot-swap drive replacement .  .  .  .  .  .  .  .  .  .  132
Remove a hot-swap drive .  .  .  .  .  .  .  .  .  133
Install a hot-swap drive .  .  .  .  .  .  .  .  .  .  134
Internal RAID/HBA/expander adapter  
replacement .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  135
Remove an internal RAID/HBA/expander  
adapter .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  135
Install an internal RAID/HBA/expander  
adapter .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  138
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