Lenovo ThinkSystem SR645 V3 User Manual

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 . . . . . . . . . . 6
Environmental specifications . . . . . . . . . 6
Management options. . . . . . . . . . . . . 10
Chapter 2. Server components . . . . 13
Top view . . . . . . . . . . . . . . . . . 13
Front view . . . . . . . . . . . . . . . . . 14
Rear view . . . . . . . . . . . . . . . . . 16
Front I/O module . . . . . . . . . . . . . . 19
System-board-assembly layout . . . . . . . . 20
System-board-assembly connectors. . . . . 21
System-board-assembly switches. . . . . . 23
Chapter 3. Parts list . . . . . . . . . . 27
Power cords . . . . . . . . . . . . . . . . 29
Chapter 4. Unboxing and setup . . . . 31
Server package contents . . . . . . . . . . . 31
Identify the server and access the Lenovo XClarity
Controller . . . . . . . . . . . . . . . . . 31
Server setup checklist . . . . . . . . . . . . 33
Chapter 5. Hardware replacement
procedures . . . . . . . . . . . . . . . 35
Installation Guidelines . . . . . . . . . . . . 35
Safety inspection checklist. . . . . . . . . 36
System reliability guidelines . . . . . . . . 37
Working inside the server with the power on . . 38
Handling static-sensitive devices . . . . . . 38
Technical rules . . . . . . . . . . . . . . . 38
Memory module installation rules and order . . 39
PCIe slots and adapters . . . . . . . . . . 41
Thermal rules . . . . . . . . . . . . . . 43
Power on and power off the server . . . . . . . 44
Power on the server . . . . . . . . . . . 44
Power off the server . . . . . . . . . . . 44
Server replacement . . . . . . . . . . . . . 45
Remove the server from rack . . . . . . . . 45
Install the server to rack . . . . . . . . . . 48
CMOS battery (CR2032) replacement . . . . . . 54
Remove the CMOS battery . . . . . . . . 54
Install the CMOS battery . . . . . . . . . 57
Front drive backplane replacement . . . . . . . 59
Remove the front 2.5-inch drive backplane . . 59
Install the front 2.5-inch drive backplane . . . 60
Front I/O module replacement . . . . . . . . . 61
Remove the front I/O module . . . . . . . . 61
Install the front I/O module. . . . . . . . . 62
Remove the external LCD cable (4 x 3.5''
chassis) . . . . . . . . . . . . . . . . 63
Install the external LCD cable (4 x 3.5''
chassis) . . . . . . . . . . . . . . . . 66
Hot-swap drive replacement . . . . . . . . . . 68
Remove a 2.5/3.5-inch hot-swap drive . . . . 68
Install a 2.5/3.5-inch hot-swap drive . . . . . 69
Internal CFF HBA/RAID adapter replacement . . . 71
Remove the internal CFF HBA/RAID
adapter . . . . . . . . . . . . . . . . 71
Install the internal CFF HBA/RAID adapter. . . 73
Intrusion switch replacement . . . . . . . . . 74
Remove an intrusion switch . . . . . . . . 74
Install an intrusion switch . . . . . . . . . 76
Memory module replacement . . . . . . . . . 78
Remove a memory module . . . . . . . . 78
Install a memory module . . . . . . . . . 81
M.2 backplane and M.2 drive replacement . . . . 82
Remove the M.2 backplane and M.2 drive. . . 83
Adjust the retainer on the M.2 backplane . . . 85
Install the M.2 backplane and M.2 drive. . . . 86
OCP module replacement . . . . . . . . . . . 89
Remove the OCP module . . . . . . . . . 89
Install the OCP module . . . . . . . . . . 90
PCIe adapter replacement. . . . . . . . . . . 92
Remove a PCIe adapter . . . . . . . . . . 93
Install a PCIe adapter . . . . . . . . . . . 94
Power supply unit replacement. . . . . . . . . 95
Remove a power supply unit . . . . . . . . 95
Install a power supply unit . . . . . . . . . 99
Power-supply-unit air duct replacement . . . . . 103
Remove a power-supply-unit air duct . . . . 104
Install a power-supply-unit air duct . . . . . 105
Processor and heat sink replacement (trained
technician only) . . . . . . . . . . . . . . . 107
© Copyright Lenovo 2022 i

Lenovo ThinkSystem SR645 V3 Specifications

General

Memory Slots	24 DIMM slots
Processor	AMD EPYC 9004 Series
Form Factor	1U Rack
Memory	Up to 6TB DDR5
Drive Bays	24 x 2.5" or 12 x 3.5"
RAID Support	RAID 0, 1, 10, 5, 50, 6, 60
Expansion Slots	Up to 3x PCIe 5.0 slots
Network Interface	1GbE
Operating System	Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware