CAUTION:
Do not apply pressure at the center of the memory module; apply pressure at both ends of the memory
module evenly.
NOTE:
The memory module socket has an alignment key that enables you to install the memory module in the socket in
only one orientation.
4
Press the memory module with your thumbs until the socket levers firmly click into place.
Figure 34. Installing a memory module
Next steps
1
If applicable, install the air shroud.
2
Follow the procedure listed in
After working inside your system
.
3
To verify if the memory module has been installed properly, press F2 and navigate to
System Setup Main Menu > System BIOS >
Memory Settings
. In the
Memory Settings
screen, the System Memory Size must reflect the updated capacity of the installed
memory.
4
If the value is incorrect, one or more of the memory modules may not be installed properly. Ensure that the memory module is firmly
seated in the memory module socket.
5
Run the system memory test in system diagnostics.
Related links
NVDIMM-N battery
NVDIMM-N battery can be installed on the SAS expander board.
Removing the NVDIMM-N battery
Prerequisites
1
Follow the safety guidelines listed in
2
Follow the procedure listed in
Before working inside your system
.
CAUTION:
To prevent data loss, ensure that your system and LEDs on NVDIMM-N and NVDIMM-N battery are turned
off before removing the NVDIMM-N battery.
86
Dell EMC PowerEdge R640 Installation and Service Manual
Installing and removing system components
