Compaq ProSignia 500 Compaq ProSignia Family of PC Servers Maintenance and Ser - Page 21

Diagnostic Tools, Corrected Advanced ECC No action is required. - series

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Chapter 3 Diagnostic Tools This chapter describes software and firmware diagnostic tools available for COMPAQ PC Server products. These include: o Power-On Self-Test (POST) o Diagnostics (DIAGS) o Drive Array Advanced Diagnostics (DAAD) o Automatic Server Recovery o ROMPaq utility to upgrade flash ROMS 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: o Keyboard o Power supply o System board o Memory o Memory expansion boards o Controllers o Diskette drives o Hard drives If POST finds an error in the system, an error condition is indicated by an audible and/or visual message. If an error code is displayed on the screen during POST or after resetting the system, follow the instructions in Table 3-1. The error messages and codes listed in Table 3-1 include all codes generated by COMPAQ products. Your system will only generate those codes which are applicable to your configuration and options. Table 3-1. POST Error Messages Error Code Probable Source Action of Problem A Critical Error occurred A catastrophic system Run Diagnostics. prior to this power-on error, which caused Replace failed assembly the server to crash, as indicated. has been logged. A Correctable Memory Corrected Advanced ECC No action is required. Error occurred prior to memory error has been Run Diagnostics and the power-on logged. inspect the corrected memory error. Probable SIMM failure; replace if required during scheduled maintenance. 101-ROM Error System ROM checksum Run Diagnostics. Replace failed assembly as indicated or, contact

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Chapter 3 Diagnostic Tools
This chapter describes software and firmware diagnostic tools available for
COMPAQ PC Server products. These include:
o Power-On Self-Test (POST)
o Diagnostics (DIAGS)
o Drive Array Advanced Diagnostics (DAAD)
o Automatic Server Recovery
o ROMPaq utility to upgrade flash ROMS
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:
o Keyboard
o Power supply
o System board
o Memory
o Memory expansion boards
o Controllers
o Diskette drives
o Hard drives
If POST finds an error in the system, an error condition is indicated by an
audible and/or visual message. If an error code is displayed on the screen
during POST or after resetting the system, follow the instructions in
Table 3-1. The error messages and codes listed in Table 3-1 include all
codes generated by COMPAQ products. Your system will only generate those
codes which are applicable to your configuration and options.
Table 3-1. POST Error Messages
===========================================================================
Error Code
Probable Source
Action
of Problem
---------------------------------------------------------------------------
A Critical Error occurred A catastrophic system
Run Diagnostics.
prior to this power-on
error, which caused
Replace failed assembly
the server to crash,
as indicated.
has been logged.
---------------------------------------------------------------------------
A Correctable Memory
Corrected Advanced ECC No action is required.
Error occurred prior to
memory error has been
Run Diagnostics and
the power-on
logged.
inspect the corrected
memory error. Probable
SIMM failure; replace
if required during
scheduled maintenance.
---------------------------------------------------------------------------
101-ROM Error
System ROM checksum
Run Diagnostics.
Replace failed assembly
as indicated or, contact