Compaq ML370 ProLiant ML370 Maintenance and Service Guide - Page 61

PowerOn SelfTest (POST), POST Error Messages - generation 7

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Diagnostics and Troubleshooting 3-7 Power-On Self-Test (POST) POST is a series of diagnostic tests that run automatically on Compaq computers when the system is turned on. POST checks the following assemblies to ensure that the computer system is functioning properly: System ROM Keyboard Power supply System board Memory Controllers Diskette drives Hard drives Processor Power Modules Fans POST Error Messages If POST finds an error in the system, an error condition is indicated by an audible and/or visual message. If an error code displays on the screen during POST or after resetting the system, use the instructions in the POST Error Messages table. The error messages and codes listed include all codes generated by Compaq products. The system generates only those codes that are applicable to the configuration and options. NOTE: Many of the actions listed require you to run Diagnostics or the Compaq System Configuration Utility. Steps for running these utilities are provided following the POST Error Messages tables. In each case, the Recommended Action column lists the steps necessary to correct the problem. After completing each step, run the Diagnostics program to verify whether the error condition has been corrected. If the error code reappears, perform the next step, then run the Diagnostics program again. Follow this procedure until Diagnostics no longer detects an error condition.

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Diagnostics and Troubleshooting
3-7
Power-On Self-Test (POST)
POST is a series of diagnostic tests that run automatically on Compaq computers when the
system is turned on. POST checks the following assemblies to ensure that the computer system
is functioning properly:
■
System ROM
■
Keyboard
■
Power supply
■
System board
■
Memory
■
Controllers
■
Diskette drives
■
Hard drives
■
Processor Power Modules
■
Fans
POST Error Messages
If POST finds an error in the system, an error condition is indicated by an audible and/or visual
message. If an error code displays on the screen during POST or after resetting the system, use
the instructions in the POST Error Messages table. The error messages and codes listed include
all codes generated by Compaq products. The system generates only those codes that are
applicable to the configuration and options.
NOTE:
Many of the actions listed require you to run Diagnostics or the Compaq System Configuration
Utility. Steps for running these utilities are provided following the POST Error Messages tables.
In each case, the Recommended Action column lists the steps necessary to correct the problem.
After completing each step, run the Diagnostics program to verify whether the error condition
has been corrected. If the error code reappears, perform the next step, then run the Diagnostics
program again. Follow this procedure until Diagnostics no longer detects an error condition.