Installing memory modules in the 8248-L4T, 8408-E8D, or 9109-RMD

Use this procedure to for installing a new or upgraded memory module.

1. Identify the system that you will be working on by using the identify the system process to turn on the system locate (blue) indicator. For more information, see Enabling enclosure indicators and Control panel LEDs.
2. Complete the prerequisite tasks. For instructions, see Before you begin.
3. Use the service indicator light-emitting diodes (LEDs) to help identify the part. For instructions, see Identifying a part.
4. Stop the system. For instructions, see Stopping a system or logical partition.
5. Disconnect all power cords from the unit you are servicing.
   Figure 1. Disconnecting the power cords
   Note: The 8248-L4T, 8408-E8D, or 9109-RMD system is equipped with a mandatory second power supply. Before you continue with this procedure, ensure that the power source to the system has been disconnected.

   (L003)

   
   or
   

6. Place the system in the service position. For instructions, see Placing the 8248-L4T, 8408-E8D, or 9109-RMD system into the service position.
7. Attach the wrist strap.
   Attention:

   • Attach a wrist strap to an unpainted metal surface of your hardware to prevent electrostatic discharge (ESD) from damaging your hardware.
   • When using a wrist strap, follow all electrical safety procedures. A wrist strap is for static control. It does not increase or decrease your risk of receiving electric shock when using or working on electrical equipment.
   • If you do not have a wrist strap, just prior to removing the product from ESD packaging and installing or replacing hardware, touch an unpainted metal surface of the system for a minimum of 5 seconds.
8. Press the push button (A) on the planar to turn on the memory riser rollup LEDs as shown in the following figure.
   Figure 2. Push button on the Planar

   
9. If you are adding memory to an existing memory module riser, remove the riser from the system by pulling the locking tabs (A) into the open position and then, lifting the memory riser out of the system as shown in the figure.
   Figure 3. Removing the memory riser

   
10. Determine the slots in which the memory modules is to be placed. Each system processor module has eight memory card slots. For instructions, see Memory riser placement and memory module balancing to ensure that memory modules are balanced on each processor module.
11. Ensure that the connector is ready to receive the memory module. Remove the memory module filler by pulling the tabs up and outward. The lever action of the tabs forces the memory module filler out of the connector.
    Note: A memory module or a memory module filler is required in all locations on the memory riser to ensure proper cooling.
12. If necessary, remove the memory module from its antistatic package.
13. Ensure that the connector locking tabs (A) are pushed open into the unlocked position, as shown in Figure 4, before installing a new memory module.
14. Carefully grasp the memory module along the edge (B) and align it with the connector.
    Attention: Memory modules are keyed to prevent a memory module from being installed incorrectly. Note the location of the key tab within the memory module connector before attempting to install the memory module.
15. Push the memory module firmly into the connector until the tabs lock.
    Figure 4. Replacing a memory module

    
16. Install the memory riser. For more information, see Installing memory risers in the 8248-L4T, 8408-E8D, or 9109-RMD.
17. If you are installing memory modules as part of another procedure, return to that procedure now. If your service actions are complete, continue with the next step.
18. Place the system into the operating position. For instructions, see Placing the 8248-L4T, 8408-E8D, or 9109-RMD system into the operating position.
19. Reconnect the power source. For instructions, see Connecting the power cords to the 8248-L4T, 8408-E8D, or 9109-RMD.
20. Start the system.
    • If you are installing or removing system parts and the following conditions are true, set the power-on mode to Partition Standby and then start the system. For instructions, see Power on.
      • The system is managed by an HMC.
      • The only logical partition is assigned all system resources.
    • In all other conditions, start the system. For instructions, see Starting a system or logical partition.
21. Verify the installed part.
    • If you replaced the part because of a service action, verify the installed part. For instructions, see Verifying a repair.
    • If you installed the part for any other reason, verify the installed part. For instructions, see Verifying the installed part.