Lenovo System x3250 M5 Installation And Service Manual page 72

Figure 51. The location of the DIMM connectors on the system board
To install a DIMM, complete the following steps.
Step 1. Remove the cover (see "Removing the cover" on page 33).
Step 2. Locate the DIMM connectors on the system board. Determine the connectors into which you will
install the DIMMs. Install the DIMMs in the sequence shown in the following table.
Table 9. DIMM installation sequence
Number of DIMMs
First pair of DIMMs
Second pair of DIMMs
Step 3. Open the retaining clip on each end of the DIMM connector.
Attention: To avoid breaking the retaining clips or damaging the DIMM connectors, open and
close the clips gently.
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Lenovo System x3250 M5Installation and Service Guide
Installation sequence (connectors)
1, 3
2, 4