Installing A Memory Module - Dell EMC PowerEdge R940 Installation And Service Manual

WARNING: Allow the memory modules to cool after you power off the system. Handle the memory modules by
the card edges and avoid touching the components or metallic contacts on the memory module.
CAUTION: To ensure proper system cooling, memory module blanks must be installed in any memory socket that
is not occupied. Remove memory module blanks only if you intend to install memory modules in those sockets.
Steps
1. Locate the appropriate memory module socket.
CAUTION: Handle each memory module only by the card edges, ensuring not to touch the middle of the
memory module or metallic contacts.
2. Push the ejectors outward on both ends of the memory module socket to release the memory module from the socket.
3. Lift and remove the memory module from the system.
Figure 58. Removing a memory module
Next steps
1. Install the memory module.
2. If you are removing the memory module permanently, install a memory module blank. The procedure to install a memory
module blank is similar to that of the memory module.

Installing a memory module

The procedure for installing a DIMM module and an NVDIMM-N module is identical.
Prerequisites
1. Follow the safety guidelines listed in
2. Follow the procedure listed in
CAUTION: Ensure that you install the NVDIMM-N battery if you are using NVDIMM-N.
CAUTION: To prevent data loss and potential damage to your system, ensure that your system, LEDs on system,
LEDs on NVDIMM-N and LEDs on NVDIMM-N battery are turned off before installing the NVDIMM-N battery.
CAUTION: To ensure proper system cooling, memory module blanks must be installed in any memory socket that
is not occupied. Remove memory module blanks only if you intend to install memory modules in those sockets.
Steps
1. Locate the appropriate memory module socket.
CAUTION: Handle each memory module only by the card edges, ensuring not to touch the middle of the
memory module or metallic contacts.
74 Installing and removing system components
Safety instructions
Before working inside your system
on page 29.
on page 30.