How to Install DIMMs

Before You Begin

• Review the DIMM population rules in the section DIMM Population Rules.

1. Prepare the server for service. See How to Prepare the Server for Service.
2. Remove the appropriate CPU module. See How to Remove a CPU Module or Filler Card.
3. Set the CPU module on an anti-static surface so that the DIMM slots face upward.
4. Ensure that the DIMM slot ejectors at each end of the socket are fully open (rotated outward).
   
5. Align the notch in the bottom edge of the DIMM with the key in the DIMM socket.

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   Note - Be sure that the DIMM slots are used according to the population rules for the CPU module. See DIMM Population Rules.

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6. Carefully press down evenly on both top corners of the DIMM until the ejectors snap over the cutouts in the left and right edges of the DIMM.
7. Install the CPU module.
8. Prepare the server for operation.

See Also

• DIMM Population Rules

• How to Remove DIMMs

• CPU Module Features and Components