Removing the model 8233-E8B auxiliary cache card

You might need to prepare your server for removal of the auxiliary cache card. Use the procedure in this section to perform this task.

1. Perform prerequisite tasks as described in Before you begin.
2. Identify the auxiliary cache card that you need to remove. For instructions, see Identifying a failing part.
3. Stop the system. For instructions, see Stopping the system or logical partition.
4. Disconnect the power source from the system by unplugging the system.
   Attention: You must disconnect the power source from the system by disconnecting all power cords to prevent system damage during this procedure.
   Note: This system might be equipped with a second power supply. Before continuing with this procedure, ensure that all power sources to the system have been completely disconnected.

   (L003)

   
   or
   

5. Place the system in the service position. See Placing a rack-mounted 8233-E8B or 8236-E8C in the service position.
6. Remove the access cover. See Removing the service access cover from a rack-mounted 8233-E8B or 8236-E8C.
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.

You might need to remove the auxiliary cache card from your server. Use the procedure in this section to perform this task.

1. Press the tab (A) and lift the cache card (B) up and out of the system, as shown in the following figure.
   Figure 1. RAID cache card removal from a rack-mounted system unit

   
2. Replace the RAID enablement card. For instructions, see Replacing the model 8233-E8B auxiliary cache card.