Removing the system backplane from the 9040-MR9

To remove the system backplane, complete the steps in this procedure.

1. Ensure that you have the electrostatic discharge (ESD) wrist strap on and that the ESD clip is plugged into a ground jack or connected to an unpainted metal surface. If not, do so now.
2. Remove all the fans from the disk drive backplane as shown in the following figure.
   1. Put your thumb against the latch (A) in the following figure, and put your index finger against the latch (B).
   2. Push against the latch with your thumb and then pull out the latch with your index finger. This action releases the latch.
   3. Rotate the fan handle in the direction that is shown in the following figure to unlock the fan from its slot.
   4. Hold onto the fan handle and by using your hand to support the bottom of the fan, pull out the fan from its slot as shown in the following figure.

   

3. To remove the disk drive backplane from the front of the system, complete the following steps:
   CAUTION:

   To prevent damage to the SAS cables, you must unplug the SAS cables from the rear of the disk drive backplane before fully removing the disk drive backplane.
   1. Loosen the two screws (A) as shown in the following figure.
   2. Loosen the two recessed screws (B) as shown in the following figure. Use a 4 mm ball-end hex driver (130 mm long, IBM part number 02EA546) to loosen the screws.

      

   3. Grasp the disk drive backplane with two hands as indicated by the blue squares in the following figure. Pull the disk drive backplane approximately 2.5 cm (1 in) straight out from the front of the system.
      If you pull the disk drive backplane with one hand, it might twist sideways.

      

   4. Pull the entire system unit out of the rack at most 20.3 cm (8 in), enough to access and disconnect the SAS cables and to remove the disk drive backplane.
      Do not pull out or install any drawer or feature if the rack stabilizer brackets are not attached to the rack. Do not pull out more than one drawer at a time. The rack might become unstable if you pull out more than one drawer at a time.

      

      1. If not already removed, remove the shipping screws (A) as shown in the following figure by using a Phillips screwdriver.
      2. Release the side latches (B) by pressing them downward as shown in the following figure.
      3. Pull out the entire system unit (C) at most 20.3 cm (8 in) from the rack as shown in the following figure. Ensure that any cables do not catch or bind as you pull out the system.

         

   5. Label and unplug the SAS cables from the rear of the disk drive backplane as shown in the following figure.
      Press in on the clip to release the cable. Hold the disk drive backplane while you remove the SAS cables to prevent the disk drive backplane from tipping forward and out of the system.

      

      

   6. Using two hands, fully remove the disk drive backplane from the system.

      

   7. Place the disk drive backplane on an ESD surface.
4. Install the system-to-rail locking clips onto each rail. The system-to-rail locking clips keep the front end of the system from dislodging from the rails when you move the system into the service position.
   1. On the right side of the rail, pull the blue latch marked R (A).

      

   2. Each side of each clip is stamped with an L and an R. For the right side of the rail, ensure that the side stamped R is facing outward.

      

   3. While holding the blue latch (A), rotate the clip (B) into the rail until it clicks into place.

      

   4. Ensure that the clip (C) is flush with the rail and that the system chassis pin is seated in the clip, as shown in the following figure.
   5. Release the blue latch (D).

      

   1. Repeat these steps for the L slide rail, using the clip with the side stamped L facing outward.
5. Complete the following steps to place the system in the service position.
   Do not pull out or install any drawer or feature if the rack stabilizer brackets are not attached to the rack. Do not pull out more than one drawer at a time. The rack might become unstable if you pull out more than one drawer at a time.

   

   1. If not already removed, remove the shipping screws (A) as shown in the following figure by using a Phillips screwdriver.
   2. Release the side latches (B) by pressing them downward as shown in the following figure.
   3. Pull out the system (C) as shown in the following figure.

   

6. To activate the identify LED for the faulty part, press and hold push-button (A) on the trusted platform module card as shown in the following figure.
   Verify that the LED (B) is lit, which indicates that sufficient power exists for the identify LED. If the LED (B) is not lit, use the location code to find the physical location by using the service label.

   

7. Look for the flashing amber LED (A) of the system backplane. Refer to the following image.

   

8. Remove the SAS cable support (A) by lifting it straight up as shown in the following figure. Then, route the cables over the side of the system to keep them out of the way when you remove the system bacplane.

   

   

9. Remove the memory voltage regulator modules from locations P1-C25, P1-C30, P1-C31, and P1-C36.
   Tip: As you remove parts from inside the system, take notes about the location for each part. It is important that you replace parts in the exact location from which they were removed.
   1. Unlock the levers (A) to release the voltage regulator module from its connector. Refer to the following image.
   2. Rotate the levers in the direction shown.
   3. While holding the voltage regulator module by its levers, pull upward to remove the card from its slot.
   4. Place the voltage regulator module on an appropriate ESD surface.
   5. Repeat steps 9.a through 9.d to remove the remaining memory voltage regulator modules.

   

10. Remove the memory module riser cards from locations P1-C26, P1-C27, P1-C28, P1-C29, P1-C32, P1-C33, P1-C34, and P1-C35.
    As you remove the cards, take notes about the locations from which you are removing the memory module riser cards.
    1. Open the release latches (A) on the memory module riser card as shown in the following figure.
       Open the latches to the fully upright 90 degree position.
    2. Pull out the memory riser module card from the slot by holding onto the latches.
    3. Place the memory riser module card on an appropriate ESD surface.
    4. Repeat steps 10.a through 10.c for the remaining memory module riser cards.

    

11. Remove the trusted platform module (TPM) card from location P1-C21.
    1. Grasp the TPM card by the plastic housing. Refer to the following image.
    2. Pull the TPM card out of its slot on the system backplane.

    

12. Remove the standby voltage regulator module from location P1-C22.
    1. Unlock the levers (A) to release the voltage regulator module from its connector. Refer to the following image.
    2. Rotate the levers in the direction shown.
    3. While holding the voltage regulator module by its levers, pull upward to remove the card from its slot.

    

13. Remove the I/O voltage regulator module from location P1-C23.
    1. Unlock the levers (A) to release the voltage regulator module from its connector. Refer to the following image.
    2. Rotate the levers in the direction shown.
    3. While holding the voltage regulator module by its levers, pull upward to remove the card from its slot.

    

14. Disconnect the rear USB cable.
    1. Press the cable release (A) to disconnect the rear USB cable from the system backplane as shown in the following figure.

       

    2. Route the rear USB cable over the side of the system to prevent it from interfering with the removal of the system backplane.
15. Remove the vital product data (VPD) card from location P1-C24.
    1. Grasp the VPD card by the plastic housing. Refer to the following image.
    2. Pull the VPD card out of its slot on the system backplane.

    

16. Remove the processor voltage regulator modules or processor voltage regulator fillers from locations P1-C13, P1-C16, P1-C17, and P1-C20.
    1. Unlock the levers (A) to release the voltage regulator module or filler from its connector. Refer to the following image.
    2. Rotate the levers in the direction shown.
    3. While holding the voltage regulator module or filler by its levers, pull upward to remove the voltage regulator module or filler from its slot.
    4. Place the voltage regulator module or filler on an appropriate ESD surface.
    5. Repeat steps 16.a through 16.d to remove the remaining processor voltage regulator modules or fillers.

    

17. Remove the heat sinks.
    1. Loosen the heat sink actuation screw by turning the supplied hex key counterclockwise (A). Loosen the screw until it moves freely. Refer to the following figure.

       

    2. Grip the heat sink (B) on opposing sides and remove the heat sink by lifting it upward. Set the heat sink aside with the module side facing upward.
    3. Repeat steps 17.a through 17.b to remove the remaining heat sinks.
18. Remove the system processor modules.
    1. Use tweezers to remove the thermal interface material (TIM) from the system processor module. Discard the TIM after you remove it.
       Important: The TIM cannot be reused. The replacement system backplane kit includes new TIM.
    2. Open the system processor module tray packages, which were included with the replacement system backplane kit.
    3. Place the bottom of the system processor module tray on an appropriate ESD surface so that the guide pins face upwards, as shown in the following figure.

       

    4. Ensure that the system processor removal tool (A) is in the open position as shown in the following figure. The middle ring (B) must be pushed down and blue tabs (C) must be turned inward.

       

    5. Align the tool over the system processor module.
       Ensure that the beveled edge on the tool aligns with the beveled edge of the processor (C) as shown in the following figure.
    6. Lower the tool over the system processor module.
       Ensure that the two guide pins (A) insert into the alignment holes (B) on each side of the tool as shown in the following figure.

       

    7. With the removal tool sitting on top of the system processor module, push down on the ring (A) slightly so that the blue tabs (B) snap outward and the jaws engage with the system processor module as shown in the following figure.
       Make sure that both of the tool jaws are locked onto the system processor module by pushing down on the tool.

       Important: Do not press the blue release ring until directed to do so later.

       

    8. Hold the outside of the tool and lift the tool and system processor module from the socket.
       Lift the tool upward slowly to ensure that the jaws are fully engaged with the system processor module. Ensure that the system processor module does not disengage and fall back into the socket of the system processor module. If the system processor module falls back into the socket of system processor module, the pins might be damaged.

       Place the system processor module at an angle on the system processor module tray as shown in the following figure. Setting the tool and system processor module at an angle on the system processor module tray makes it easier to place the system processor module in the tray.

       

    9. Release the system processor module by pushing the ring (B) downwards. Hold the ring (B) down while pushing the blue tabs (C) inwards as shown in the following figure. Ensure that the ring catches the openings on the blue tabs, and that the blue tabs are locked in a fixed position.
       To prevent the system processor module from falling, pull up on the round lever before you place the tool on the system processor module tray.

       

    10. Repeat steps 18.a through 18.i to remove all of the system processor modules.
19. Remove the power midplane.
    1. Unplug the cable from its connector on the power midplane.

       

    2. Using a 4mm Hex driver, loosen the four captive screws (A) on the power midplane bulkhead. The screws attach the power midplane to the system chassis. Refer to the following image.

       

    3. Using a 4mm Hex driver, loosen the four thumbscrews (B) that secure the power midplane to the metal brackets inside the system.

       

    4. Lift the power midplane by its bulkhead (C) and pull it out of the system. Refer to the previous image.
    5. Place the power midplane on an appropriate ESD surface.
20. Remove the system backplane.
    1. Using a 4 mm Hex driver, loosen but do not remove the four captive screws (A) that mount the backplane to the chassis. Refer to the following image for the location of the screws.

       

    2. Grasp the system backplane by the front (A) or middle (B) metal bulkheads and the rear metal bulkhead (C). Lift straight up to disengage the four alignment pins from the bottom of the chassis.

       

    3. Place the system backplane on an appropriate ESD surface.