Lenovo 5458 Installation And Service Manual page 74

Figure 51. The location of the DIMM connectors on the system board
To install a DIMM, complete the following steps.
Procedure
1. Remove the cover (see "Removing the cover" on page 33).
2. Locate the DIMM connectors on the system board. Determine the connectors
3. Open the retaining clip on each end of the DIMM connector.
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System x3250 M5 Type 5458: Installation and Service Guide
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
Attention: To avoid breaking the retaining clips or damaging the DIMM
connectors, open and close the clips gently.
Installation sequence (connectors)
1, 3
2, 4