HP Z4 Maintenance and Service Guide - Page 84

Category, Major/minor code, Description, Automated System Recovery Timer, or other mechanism.

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Category Major/minor code Description 3.5 The processor is not detected.* 3.6 The processor does not support an enabled feature. Thermal 4.2 A processor over temperature condition has been detected.* 4.3 An ambient temperature over temperature condition has been detected. 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. 76 Chapter 7 POST error messages and diagnostic front panel LEDs and audible codes

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Category
Major/minor code
Description
3.5
The processor is not detected.*
3.6
The processor does not support an enabled feature.
Thermal
4.2
A processor over temperature condition has been detected.*
4.3
An ambient temperature over temperature condition has been detected.
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.
76
Chapter 7
POST error messages and diagnostic front panel LEDs and audible codes