HP Engage Go 13.5 Maintenance and Service Guide - Page 90

Interpreting POST diagnostic front panel lights and audible codes, continued

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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 a hardware-triggered event; BIOS controls all other events. Interpreting POST diagnostic front panel lights and audible codes 83

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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 a hardware-triggered event; BIOS controls all other events.
Interpreting POST diagnostic front panel lights and audible codes
83