Replacing memory modules for the 8202-E4B, 8202-E4C, 8202-E4D, 8205-E6B, 8205-E6C, or 8205-E6D

Use this procedure to replace an existing memory module.

1. Complete the prerequisite tasks. For instructions, see Before you begin.
2. If necessary, remove the existing memory module, as described in Removing memory modules for the 8202-E4B, 8202-E4C, 8202-E4D, 8205-E6B, 8205-E6C, or 8205-E6D
3. Stop the system. For instructions, see Stopping a system or logical partition.
4. For a rack-mounted system, place the system into the service position, as described in Placing a rack-mounted model into the service position.
5. Remove the service access cover.
   • For a rack-mounted system, see Removing the service access cover from a rack-mounted model.
   • For a stand-alone system, see Removing the service access cover from a stand-alone model.
6. Use the service indicator light-emitting diodes (LEDs) to help identify the part, as described in Identifying a part.
   Note: While the system is in the service position, DIMM fault and identify LEDs are not visible for DIMM locations C2 - C10. To identify the correct DIMM by its LED for these locations, you must first remove the memory riser and then press the blue service button, which activates the LED. For information on removing the memory riser, see Removing memory risers for the 8202-E4B, 8202-E4C, 8202-E4D, 8205-E6B, 8205-E6C, or 8205-E6D.
7. Reach behind the system and disconnect all power cords from the unit you are servicing.
   Figure 1. Disconnecting the power cords
   Note: An optional power supply is available in the 8202-E4B or 8202-E4C server. The 8205-E6B or 8205-E6C server is equipped with a mandatory second power supply. Before continuing with this procedure, ensure that the power source to the system has been disconnected.

   (L003)

   
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8. 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.
9. If necessary, remove the memory module or filler, as described in Removing memory modules for the 8202-E4B, 8202-E4C, 8202-E4D, 8205-E6B, 8205-E6C, or 8205-E6D. 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.
10. If necessary, remove the memory module from its antistatic package.
11. Ensure that the connector locking tabs (A) are pushed open into the unlocked position, as shown in Figure 2, before installing a new memory module.
12. 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.
13. Push the memory module firmly into the connector until it locks.
    Figure 2. Replacing a memory module

    
14. Replace the memory riser.
    1. Align the memory riser with the connector.
    2. Press firmly into the connector.
    3. Press the locking tabs (A) into the closed position.
       Figure 3. Replacing a memory riser

       
15. 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 following steps:
    1. Replace the service access cover.
       • For a rack-mounted system, see Installing the service access cover on a rack-mounted model.
       • For a stand-alone system, see Installing the service access cover on a stand-alone model.
    2. For a rack-mounted system, put the system into the operating position, as described in Placing a rack-mounted model into the operating position.
    3. Reconnect the power source.
    4. Start the system.
       • If you are installing or removing system memory and the following conditions are true, set the power-on mode to Partition Standby.
         • The system is managed by the HMC or SDMC.
         • The only logical partition is assigned all system resources.
         Start the system as described in Power On.
       • In all other conditions, start the system as described in Starting a system or logical partition.
    5. Verify the installed part.
       • If you replaced the part because of a service action, verify the installed part, as described in Verifying a repair.
       • If you installed the part for any other reason, verify the installed part, as described in Verifying the installed part.