Replacing the 8233-E8B or 8236-E8C memory voltage regulator module

Learn how to replace a voltage regulator module.

1. Remove the voltage regulator module from its antistatic package. Locate the connectors on the system processor assembly to connect the module.
   Figure 1. Memory voltage regulator module (A) shown above the voltage regulator connectors on the system processor assembly

   
2. Install the voltage regulator module by completing the following steps:
   1. Carefully grasp the voltage regulator module along two edges and align it with the connectors.
   2. Insert the voltage regulator module (A) into the connectors and firmly push down into position.
      Figure 2. Installing the memory voltage regulator module

      
3. Install the airflow cover as shown in the following figure.
   1. To install the airflow cover, slide the cover (A) under the flange (B).
   2. Tighten the screws (C).

   The memory voltage regulator is locked into place.

   
4. Replace the system processor assembly. (Skip the steps you have already completed.) For instructions, see Replacing the 8233-E8B or 8236-E8C system processor assembly
5. Replace the service access cover. For instructions, see Installing the service access cover on a rack-mounted 8233-E8B or 8236-E8C
6. Place the system in the operating position. See Placing the rack-mounted 8233-E8B or 8236-E8C in the operating position.
7. Replace the front cover. For a rack-mounted system unit, see Installing the front cover on a rack-mounted 8233-E8B or 8236-E8C.
8. Reconnect all power and signal cables to their respective connectors.
9. Close the back rack door or the back system door.
10. Start the system. See Starting the system or logical partition.
11. Verify that the new resource is working correctly. For instructions, see Verifying the installed part.