Determine if the Motherboard Is Faulty

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You must determine if the motherboard is faulty before you replace it.

Check to see if any System Service Required LEDs are lit or flashing.
See Interpreting Diagnostic LEDs.

In Oracle ILOM, check the health of the processors system.
```
-> show /System/Processors 
 /System/Processors
 	Targets:
		CPUs
 	Properties:
 		health = OK
 		health_details = -
...
->
```
If the health_details property identifies a faulty CPU, replace the motherboard. See Remove the Motherboard.

Check the health of the individual CPUs.
```
-> show /System/Processors/CPUs/CPU_x 
 /System/Processor/CPUs/CPU_0
 	Targets:
 	Properties:
 		health = OK
 		health_details = -
...
->
```
where x is the number of the CPU, either 0 or 1.

If the health_details property identifies the CPU as faulty, replace the motherboard. See Remove the Motherboard.

Check the health of the networking system.
```
-> show /System/Networking 
 /System/Networking
 	Targets:
 		Ethernet_NICs
 	Properties:
 		health = OK
 		health_details = -
...
->
```
If the health_details property identifies a faulty interface, consider replacing the motherboard. See Remove the Motherboard.

Check the health of the individual interfaces.
```
-> show /System/Networking/Ethernet_NICs/Ethernet_NIC_x 
 /System/Networking/Ethernet_NICs/Ethernet_NIC_0
 	Targets:
 	Properties:
 		health = OK
 		health_details = -
...
->
```
where x is the number of the interface, from 0 to 3.

If the health_details property identifies the interface as faulty, consider replacing the motherboard. See Remove the Motherboard.

Verify that the motherboard is faulty.
If the motherboard is faulty, you will see /SYS/MB, /SYS/MB/P0, or /SYS/MB/P1 under the Value heading.

For example:
```
-> show faulty
Target              | Property               | Value
--------------------+------------------------+-------------------------------
/SP/faultmgmt/0     | fru                    | /SYS/MB
...
->
```
- If the motherboard is faulty, replace it. See Remove the Motherboard.
- If a FRU value different from /SYS/MB, /SYS/MB/P0, or /SYS/MB/P1 is displayed, see Component Service Task Reference to identify which component is faulty.

Use the Oracle ILOM faultmgmt shell to identify the faulty component.
See Display Faults (faultmgmt Shell).

Check the Fault class and Description fields for more information.

If the motherboard is faulty, replace it. See Remove the Motherboard.

Within the Oracle ILOM interface, display the power currently consumed.
```
-> show /SYS/VPS value
 /SYS/VPS
 	Properties:
 		value = 159.175 Watts
->
```
If the power displayed is unreasonable or none at all, replace the motherboard. See Remove the Motherboard.

If you are unable to determine if the motherboard is faulty, seek further information.
See Detecting and Managing Faults.