Install the Motherboard Assembly

1. Attach an antistatic wrist strap to your wrist, and then to a metal area on the chassis.

   See Take Antistatic Measures.

2. Carefully lift and place the motherboard assembly into the chassis [1].

   Tilt the motherboard to the right side to fit under the power supply assembly, level the motherboard and place it into the server chassis, then slide it to the rear of the server to engage the mushroom-shaped standoffs.

   
   

   Figure 93 Installing the Motherboard Assembly

   
3. Install the mid-wall into the chassis.
   1. Lift and place the mid-wall into the chassis [2].
   2. Using a No. 2 Phillips screwdriver, tighten the four green captive screws that secure the mid-wall to the bottom of the chassis [3].
   3. Using a No. 2 Phillips screwdriver, insert and tighten the two screws on each side of the chassis to secure the mid-wall in the chassis [4].
4. Reconnect the server intrusion switch cable to the motherboard [5].
5. Reconnect the signal cable from the storage drive backplane to the motherboard [5].

   See Servicing the Front and Rear Storage Drive Backplanes (FRU).

6. Reconnect the ribbon cables from left and right LED/USB indicator modules to the motherboard [6].

   See Servicing the Front LED/USB Indicator Modules (FRU).

7. To reinstall components, follow these instructions:

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   Caution - When reinstalling power supplies, it is important to reinstall them into the slots from which they were removed during the motherboard removal procedure; otherwise, the server FRU top-level indicator (TLI) data might be lost. When a server requires service, the FRU TLI is used by Oracle to verify that the warranty for the server has not expired. For more information on the server FRU TLI, see FRU TLI Auto-Update.

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   • Install a Power Supply

   • Install a PCIe Card

   • Install the SAS Expander Module

   • Install Storage Drive Cables in a SAS/SATA Configuration

   • Install a Fan Module

   • Install the Air Baffle

8. Return the server to operation.
   1. Install the top cover.

      See Install the Server Top Cover.

   2. Return the server to the normal rack position.

      See Return the Server to the Normal Rack Position.

   3. Reconnect the power cords to the power supplies, and power on the server.

      See Reconnect Power and Data Cables and Power On the Server. Verify that the AC OK LED is lit.

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   Note - IMPORTANT: After replacing the motherboard, you might need to manually program the product serial number (PSN) into the new motherboard. This is necessary because the motherboard is a secondary member of a select group of components for maintaining the PSN for service entitlement, and if you replace more than one of the quorum members during any given service procedure, a secondary quorum member might need to be programmed with the PSN.

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Related Information

• About System Components

• Customer-Replaceable Units

• Field-Replaceable Units

• Remove the Motherboard Assembly