Table 7-3 Interpreting POST diagnostic front panel lights and audible codes (continued)
Category Major/minor code Description
System board 5.2 The embedded controller cannot find valid firmware.
5.3 The embedded controller has timed out waiting for the BIOS.
5.4 The embedded controller has timed out waiting for BIOS to return
from system board initialization.
5.5 The embedded controller rebooted the system after a possible
lockup condition had been detected through the use of a
System Health Timer, Automated System Recovery Timer, or
other mechanism.
* Indicates hardware triggered event; all other events are controlled by the BIOS.
Interpreting system validation diagnostic front panel LEDs and audible codes 83
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