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SPARC T7-2 Server Service Manual

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Updated: July 2019
 
 

Replace a Faulty DIMM


Caution

Caution  -  This procedure requires handling components that are sensitive to ESD. Follow antistatic practices to avoid damage or component failure.


Customers can perform this procedure, but the system must first be completely powered down and all power cords unplugged. See Component Service Categories for more information about cold-service procedures.

Perform this procedure to replace a faulty DIMM on the motherboard or a memory riser.

  1. Identify the faulty DIMM to be removed using the ILOM show faulty command.
  2. Prepare the system for service.
  3. Unplug the power cords.
  4. Remove the appropriate memory riser.

    To remove a DIMM from the motherboard, you must remove the memory riser above that DIMM to enable access.

  5. Locate the faulty DIMM on the motherboard or memory riser using the DIMM fault LEDs.
  6. Remove the faulty DIMM.
  7. Ensure the replacement DIMM has the same rank classification as the faulty DIMM.
  8. Install the replacement DIMM.
  9. Install the memory riser that you removed.
  10. Return the server to operation.
  11. Enable and verify the replacement DIMM.