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Dell EMC PowerEdge MX740c Installation and Service Manual

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Installing a memory module

Prerequisites

Follow the safety guidelines listed in Safety instructions.
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.
NOTE You must follow the thermal restriction while using DIMM blank. For information about thermal restriction, see Thermal restrictions matrix in technical specification guide.

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.
    CAUTION To prevent damage to the memory module or the memory module socket during installation, do not bend or flex the memory module. You must insert both ends of the memory module simultaneously.
  2. Open the ejectors on the memory module socket to allow the memory module to be inserted into the socket.
  3. Align the edge connector of the memory module with the alignment key of the memory module socket, and insert the memory module in the socket.
    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 1. Installing a memory module
    This image shows how to install a memory module.

Next steps

  1. Replace the air shroud.
  2. Follow the procedure listed in After working inside your sled.
  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.
    NOTE If memory size changes in anyway from the previous successful system boot, the system will prompt the end user during POST that the memory configuration has changed.
  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.

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