Lenovo Converged HX Series Installation And Service Manual page 116

Table 22. DIMM installation sequence (mirror mode/lockstep mode)
Number of DIMMs
Microprocessor 1 installed
Microprocessor 1 and 2 installed
Step 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.
Alignment
slot
DIMM
Figure 35. DIMM installation
Step 5. Touch the static-protective package that contains the DIMM to any unpainted metal surface on the
outside of the server. Then, remove the DIMM from the package.
Step 6. Turn the DIMM so that the alignment slot align correctly with the alignment tab.
Step 7. Insert the DIMM into the connector by aligning the edges of the DIMM with the slots at the ends of
the DIMM connector.
Step 8. Firmly press the DIMM straight down into the connector by applying pressure on both ends of the
DIMM simultaneously. The retaining clips snap into the locked position when the DIMM is firmly
seated in the connector.
Note: If there is a gap between the DIMM and the retaining clips, the DIMM has not been correctly
inserted; open the retaining clips, remove the DIMM, and then reinsert it.
Step 9. Reconnect any cable that you removed.
Step 10. Reinstall the air baffle (see "Installing the air baffle" on page 91).
Step 11. Reinstall compute node (see "Installing a compute node in a chassis" on page 82).
If you have replaced a server component or installed an optional device in the server, you need slide the
server into the rack, reconnect the power cords and all external cables, and turn on the server and peripheral
devices.
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Lenovo Converged HX3710, HX2710-E, HX3710-F Type 8689, Lenovo Converged HX Enclosure Type 5495 Installation and Service Guide
Installation sequence (connectors)
A1, B1, C1, D1, A2, B2, C2, D2
A1, B1, E1, F1, C1, D1, G1, H1, A2, B2, E2, F2, C2,
D2, G2, H2
Retaining
clip
Alignment tab