6-43
• As a best practice, install DCPMMs symmetrically across the two memory processing units for a
processor.
• To install both DRAM DIMM and DCPMM in a channel, install the DRAM DIMM in the white slot
and the DCPMM in the black slot. To install only one DIMM in a channel, install the DIMM in the
white slot if the DIMM is DCPMM.
Procedure
1. Power off the server. For more information, see "Powering off the server."
2. Remove the security bezel, if any. For more information, see "Replacing the security bezel."
3. Remove the compute module. For more information, see "Removing a compute module."
4. Remove the compute module access panel. For more information, see "Replacing a compute
module a
ccess panel."
5. Remove the riser card in the compute module, if any. For more information, see "Replacing the
rise
r card and PCIe module in a compute module."
6. Disconnect the cable between the supercapacitor and the main board, if the supercapacitor is
installed over the target DIMM slot.
7. Remove air baffles in the compute module. For more information, see "Replacing air baffles in a
comp
ute module."
8. Install a DIMM:
a. Identify the location of the DIMM slot.
Figure 6-51 DIMM slots numbering
b. Open the DIMM slot latches.
c. Align the notch on the DIMM with the connector key in the DIMM slot and press the DIMM
into the socket until the latches lock the DIMM in place, as shown in Figure 6-52.
To avoid dam
age to the DIMM, do not use force to press the DIMM into the socket when you
encounter resistance. Instead, re-align the notch with the connector key, and then reinsert
the DIMM again.
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