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Dell EMC PowerEdge R740xd Installation and Service Manual

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Removing a memory module

The procedure for removing a DIMM module and an NVDIMM-N module is identical.

Prerequisites

  1. Follow the safety guidelines listed in Safety instructions.
  2. Follow the procedure listed in Before working inside your system.
  3. If applicable, remove the air shroud
  4. If applicable, remove the mid drive tray.
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 in configurations with mid drive tray, 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.
NOTE:You must follow the thermal restriction while using DIMM blank. For information about thermal restriction, see the Thermal restrictions section.

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 1. Removing a memory module
    This image shows removing a memory module.

Next steps

  1. Install the memory module.
  2. For configurations with mid drive tray, 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.
NOTE:For single processor systems, install processor/DIMM blank on CPU2 socket.
NOTE:To ensure proper cooling, DIMM blank must be installed for systems with mid drive tray configuration.

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