• DCPMMs require Second Generation Intel Xeon Scalable processors. You must upgrade the server
firmware and BIOS to version 4.0(4) or later and then install the supported Second Generation Intel Xeon
Scalable processors before installing DCPMMs.
• When using DCPMMs in a server:
• The DDR4 DIMMs installed in the server must all be the same size.
• The DCPMMs installed in the server must all be the same size and must have the same SKU.
• The DCPMMs run at 2666 MHz. If you have 2933 MHz RDIMMs or LRDIMMs in the server and you
add DCPMMs, the main memory speed clocks down to 2666 MHz to match the speed of the DCPMMs.
• Each DCPMM draws 18 W sustained, with a 20 W peak.
• The following table shows supported DCPMM configurations for this server. Fill the DIMM slots for
CPU 1 and CPU2 as shown, depending on which DCPMM:DRAM ratio you want to populate.
Figure 23: Supported DCPMM Configurations for Dual-CPU Configurations
Installing Intel Optane DC Persistent Memory Modules
DCPMM configuration is always applied to all DCPMMs in a region, including a replacement DCPMM. You
cannot provision a specific replacement DCPMM on a preconfigured server.
Note
Step 1 Remove an existing DCPMM:
a) Shut down and remove power from the server as described in Shutting Down and Removing Power From the Server,
on page 7.
b) Slide the server out the front of the rack far enough so that you can remove the top cover. You might have to detach
cables from the rear panel to provide clearance.
If you cannot safely view and access the component, remove the server from the rack.
Caution
Maintaining the Server
41
Maintaining the Server
Installing Intel Optane DC Persistent Memory Modules
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