Install A Dimm - Lenovo ThinkSystem SN550 Maintenance Manual

If you are instructed to return the component or optional device, follow all packaging instructions, and use
any packaging materials for shipping that are supplied to you.

Install a DIMM

Use this information to install a DIMM.
Before you install a DIMM, complete the following steps:
1. Read "Safety" on page iii and "Installation Guidelines" on page 21 to ensure that you work safely.
The compute node has a total of 24 dual inline DIMM connectors. The compute node supports low-profile
(LP) DDR4 DIMMs with error-correcting code (ECC) in 4 GB, 8 GB, 16 GB, 32 GB, and 64 GB capacity.
The following illustration shows the system-board components, including DIMM connectors.
Figure 28. DIMM and processor location
Table 12. DIMM and processor location
1
DIMM connectors 13–18
2
Processor socket 2
3
DIMM connectors 1–6
To install a DIMM, complete the following steps:
Watch the procedure. A video of the installation process is available:
• Youtube: https://www.youtube.com/playlist?list=PLYV5R7hVcs-B4_LYuT9X1MRWBU6UzX9gO
• Youku: http://list.youku.com/albumlist/show/id_50481482
Attention: Memory modules are sensitive to static discharge and require special handling. In addition to the
standard guidelines for Handling static-sensitive devices:
• Always wear an electrostatic-discharge strap when removing or installing memory modules. Electrostatic-
discharge gloves can also be used.
• Never hold two or more memory modules together so that they touch. Do not stack memory modules
directly on top of each other during storage.
• Never touch the gold memory module connector contacts or allow these contacts to touch the outside of
the memory-module connector housing.
4
Processor socket 1
5
DIMM connectors 7–12
6
DIMM connectors 19–24
.
Chapter 3 Hardware replacement procedures
47