Dimm Installation Sequence - Lenovo HX3510-G Installation And Service Manual

• A minimum of one DIMM must be installed for each microprocessor. For example, you must install a
minimum of two DIMMs if the server has two microprocessors installed. However, to improve system
performance, install a minimum of four DIMMs for each microprocessor.
• DIMMs in the server must be the same type (RDIMM or LRDIMM) to ensure that the server will operate
correctly.
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.
Microprocessor 2
Figure 59. DIMM connectors location

DIMM installation sequence

Depending on the server model, the server may come with a minimum of one 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.
In general, all four channels on the memory interface for each microprocessor can be populated in any order
and have no matching requirements.
CPU2
Microprocessor 1
CPU1
.
Chapter 5 Removing, and replacing components
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