Lenovo 5458 Installation And Service Manual page 195

Figure 97. 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. Remove the air baffle if installed (see "Removing the air baffle" on page 34).
3. 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 36. DIMM installation sequence
Number of DIMMs
First pair of DIMMs
Second pair of DIMMs
4. 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.
Installation sequence (connectors)
1, 3
2, 4
Chapter 6. Removing and replacing server components
179