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Status LEDs
Front-Panel System Status LED
The front-panel system status LED is located as shown in Figure 81.
Figure 81. Location of Front-Panel System Status LED
The front-panel system status LED has the states indicated in Table 10.
Table 10. System Status LED States
System Status LED State
CONTINUOUS GREEN
BLINKING GREEN
BLINKING AMBER
CONTINUOUS AMBER
NO LIGHT
Critical Condition
A critical condition or non-recoverable threshold crossing is associated with the following events:
•
Temperature, voltage, or fan critical threshold crossing.
•
Power subsystem failure. The Baseboard
a power control fault (for example, the BMC detects that the system power is remaining on even though the BMC
has deasserted the signal to turn off power to the system).
•
The system is unable to power up due to incorrectly installed processor(s), or processor incompatibility.
•
A satellite controller such as the HSC, or another IMPI-capable device, such as an add-in server management
PCI card, sends a critical or non-recoverable state, via the Set Fault Indication command to the BMC.
•
Critical Event Logging errors, including System Memory Uncorrectable ECC error and Fatal/Uncorrectable Bus
errors, such as PCI SERR and PERR.
1. Baseboard refers to the server Main Board.
System Status LED
System Condition
Indicates the system is operating normally.
Indicates the system is operating in a degraded condition.
Indicates the system is in a non-critical condition.
Indicates the system is in a critical or non-recoverable condition.
Indicates POST/system stop.
1
Management Controller (BMC) asserts this failure whenever it detects
User Guide—Sun Cobalt LX50 Server
Status LEDs
OM11670A
6-3
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