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System board LEDs

The illustration in this section shows the LEDs on the system board.

Figure 1. System board LEDs
System board LEDs

Table 1. LEDs on the system board
1 System error LED2 System ID LED
3 DIMM error LEDs4 BMC heartbeat LED

1 System error LED

When this yellow LED is lit, one or more LEDs elsewhere in the server might also be lit to direct you to the source of the error. For more information, see Front I/O module.

2 System ID LED

The blue system ID LED helps you to visually locate the server. A system ID LED is also located on the front of the server. Each time you press the system ID button, the state of both the system ID LEDs changes. The LEDs can be changed to on, blinking, or off.

3 DIMM error LEDs

When a DIMM error LED is lit, it indicates that the corresponding memory module has failed.

4 BMC heartbeat LED

The BMC heartbeat LED helps you identify the BMC status.
OnGreenThe BMC is not alive.
BlinkingGreenThe BMC is alive.
OffNoneThe BMC is not alive.