Motherboard Status Indicators
The motherboard contains the following status indicators (LEDs).
Table A-7 Motherboard Status Indicators
Status
Indicator
Description
DIMM Fault
Status
Indicators
Each of the 24 DIMM slots on the motherboard has an amber fault status indicator
(LED) associated with it. If Oracle ILOM determines that a DIMM is faulty, pressing
the Fault Remind button on the motherboard I/O card signals the service processor
to light the fault LED associated with the failed DIMM. See Servicing DIMMs.
Processor Fault
Status
Indicators
The motherboard includes a fault status indicator (LED) adjacent to each of the two
processor sockets. These LEDs indicate when a processor fails. Pressing the Fault
Remind button on the motherboard I/O card signals the service processor to light
the fault status indicators associated with the failed processors. See Servicing
Processors.
Fault Remind
Status Indicator
This status indicator (LED) is located next to the Fault Remind button and is
powered from the super capacitor that powers the fault LEDs on the motherboard.
This LED lights to indicate that the fault remind circuitry is working properly in cases
where no components failed and, as a result, none of the component fault LEDs
illuminate. See Using the Server Fault Remind Button.
STBY PWRGD
Status Indicator
This green status indicator (LED) is labeled STBY PWRGD and is located on the
motherboard near the back of the server.
STBY PWRGD LED lights to inform a service technician that the motherboard is
receiving Standby power from at least one of the power supplies. This LED helps
prevent service actions on the server internal components while the AC power cords
are installed and power is being supplied to the server.
Mellanox ConnectX-6 Dx SmartNIC Status Indicators
The Mellanox ConnectX-6 Dx Dual Port RoCE SmartNIC status indicators are defined as
follows:
Callout
Description
1 Port 1
2 Port 2
Appendix A
Motherboard Status Indicators
A-5
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