Lenovo ThinkSystem SR650 Series Setup Manual page 142

Figure 79. memory module installation
Step 1. Open the retaining clips on each end of the memory module slot.
Attention: To avoid breaking the retaining clips or damaging the memory module slots, open and
close the clips gently.
Step 2. Align the memory module with the slot, and gently place the memory module on the slot with both
hands.
Step 3. Firmly press both ends of the memory module straight down into the slot until the retaining clips
snap into the locked position.
Note: If there is a gap between the memory module and the retaining clips, the memory module
has not been correctly inserted. In this case, open the retaining clips, remove the memory module,
and then reinsert it.
DC Persistent Memory Module (DCPMM) setup
Follow the instructions in this section to complete required setup before installing DCPMMs for the first time,
determine the most suitable configuration, and install memory modules accordingly.
Complete the following steps to finish system setup to support DCPMM, and install the memory modules
according to the designated combination.
1. Update the system firmware to the latest version that supports DCPMM (see "Update the firmware" on
page 198).
2. Make sure to meet all the following requirements before installing DCPMMs.
• All the DCPMMs that are installed must be of the same part number.
138
ThinkSystem SR650 Setup Guide