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#### Illustrated Parts Breakdown

The following topics identify the components that may be individually replaced in the field. They are grouped into three functional categories:

- Components related to the motherboard, including the motherboard

- Components that support I/O functions

- Components related to power distribution and the fan modules

##### Motherboard Components

The following figure illustrates field-replaceable components related to the motherboard.

Figure 32 Motherboard Components

The following table identifies the components located on the motherboard and points to instructions for servicing them.

Table 15 Motherboard Components

Item | FRU | Replacement Instructions | Notes | FRU Name (If Applicable)
--- | --- | --- | --- | ---
1 | PCIe/XAUI risers | Servicing PCIe and PCIe/XAUI Risers | Back panel PCI cross beam must be removed to access risers. | /SYS/MB/RISER0 /SYS/MB/RISER1 /SYS/MB/RISER2
2 | DIMMs | Locate a Faulty DIMM (`show faulty` Command) Locate a Faulty DIMM (DIMM Fault Remind Button) | See configuration rules before upgrading DIMMs. | See DIMM Population Rules
3 | Motherboard assembly | Identifying Server Components | The motherboard assembly must be removed to access power distribution board, power supply backplane, and connector board. | /SYS/MB
4 | Service Processor | Servicing the Service Processor | The system management firmware (Oracle ILOM) runs on the Service Processor. | /SYS/MB/SP
5 | SCC module | Servicing the System Configuration PROM | Contains the host ID and MAC address. | /SYS/MB/SCC
6 | Battery | Servicing the System Battery | Necessary for system clock and other functions. | /SYS/MB/V_VBAT
7 | Removable back panel cross beam | Servicing PCIe and PCIe/XAUI Risers | Remove this component to service PCIe/XAUI risers and cards. | N/A

##### I/O Components

The following figure illustrates field-replaceable components that support I/O functions.

Figure 33 I/O Components

The following table identifies the I/O components in the server and points to instructions for servicing them.

Table 16 I/O Components

Item | FRU | Replacement Instructions | Notes | FRU Name (If Applicable)
--- | --- | --- | --- | ---
1 | Top cover | Remove the Top Cover Replace the Top Cover | Removing top cover if the system is running will result in immediate shutdown. | N/A
2 | Hard drive backplane | Servicing the HDD Cage | The HDD backplane provides data and control signal connectors for the hard drives. It also provides connection to the front panel control and status components. | /SYS/SASBP
3 | Hard drive cage | Servicing the HDD Backplane | Must be removed to service hard drive backplane and front control panel light pipes. | N/A
4 | Right control panel light pipe assembly | Servicing the Front Panel Light Pipe Assemblies | The metal light pipe bracket is not a FRU. | N/A
5 | DVD/USB module | Identifying Server Components | Must be removed to service the hard drive backplane. | /SYS/DVD /SYS/USBBD
6 | Hard drives | Servicing Hard Drives | Hard drives must be removed to service the hard drive backplane. | See Hard Drive Slot Configuration Reference
7 | Left control panel light pipe assembly | Servicing the Front Panel Light Pipe Assemblies | Metal light pipe bracket is not a FRU. | N/A

##### Power Distribution and Fan Module Components

The following figure illustrates field-replaceable components related to power distribution and the fan modules.

Figure 34 Power Distribution/Fan Module Components

The following table identifies the power distribution and fan module components in the server and points to instructions for servicing them.

Table 17 Power Distribution/Fan Module Components

Item | FRU | Replacement Instructions | Notes | FRU Name (If Applicable)
--- | --- | --- | --- | ---
1 | Fan modules | Servicing Fan Modules | All six fan modules must be installed in the server. Includes the top cover interlock switch. | /SYS/FANBD0/FM0 /SYS/FANBD0/FM1 /SYS/FANBD0/FM2 /SYS/FANBD0/FM3 /SYS/FANBD0/FM4 /SYS/FANBD0/FM5 /SYS/CONNBD
2 | Fan power board | Servicing the Fan Power Board | The fan power board delivers power to the fan modules and carries control and status signals for the fan modules. The fan power board is connected to the connector board. | /SYS/FANBD0
3 | Air duct | N/A | This molded plastic part directs air flow within the chassis. | N/A
4 | Power supplies | Servicing the Power Supplies | Two power supplies provide N+1 redundancy. | /SYS/PS0 /SYS/PS1
5 | Power supply backplane | Servicing the Power Supply Backplane | This part is bundled with the power distribution board. | N/A
6 | Power distribution board/bus bar | Servicing the Power Distribution Board | The PDB distributes 12V power received from the power supplies. The bus bar is attached to the PDB by four screws. If you replace a PDB, you must transfer the bus to the new board. | /SYS/PDB
7 | Connector board | Servicing the Connector Board | It is connected to the connector board though power and data cables. The data cable carries control status signals. | /SYS/CONNBD

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