Dimm Installation Sequence - Lenovo System x3650 M4 Installation And Service Manual

Table 10. Supported adapter
Adpater description
Intel x520 dual port 10GbE SFP+
embedded adapter
• For detailed Flash DIMM installation sequence, go to "DIMM installation sequence" on page 54.
Notes:
1. You can install DIMMs for microprocessor 2 as soon as you install microprocessor 2; you do not have
to wait until all of the DIMM slots for microprocessor 1 are filled.
2. DIMM slots 13-24 are reserved for microprocessor 2; thus, DIMM slots 13-24 are enabled when
microprocessor 2 is installed.
The following illustration shows the location of the DIMM connectors on the system board.
Figure 38. DIMM connectors location

DIMM installation sequence

Depending on the server model, the server may come with a minimum of one 2 GB or 4 GB DIMM installed
in slot 1. When you install additional DIMMs, install them in the order shown in the following table to
optimize system performance.
Normal mode DIMM installation sequence
In general, all four channels on the memory interface for each microprocessor can be populated in any order
and have no matching requirements.
54
Lenovo System x3650 M4 Installation and Service Guide
Option part number
49Y7980
FRU part number
49Y7982