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Error Classes - HP Xw8400 - Workstation - 4 GB RAM Technical Reference Manual

Hp xw8400 workstation - service and technical reference guide.
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uncorrectable non-fatal errors are masked so they are logged, but will not generate an Err0. Unlike
correctable non-fatal errors, the uncorrectable non-fatal errors will automatically force an F1 Boot prompt
on the next reboot.
Fatal errors are not masked.
When errors are detected and not masked, they generate an Err0 signal. There are four ways to handle
this type of error.
Ignore (mask out the error)
Generate an SMI which results in a reboot
Generate an NMI which results in a crash
Generate a Machine Check which results in a crash
Default is to generate an SMI. Use the Advanced > Chipset option in the F10 Setup menu to control
this type of error.

Error classes

There are two major classes of errors—fatal and non-fatal.
All fatal errors generate error 922-Fatal error on (subsystem is identified)
Non fatal errors generate a different error number for each subsystem and for correctable and
uncorrectable error types:
Error
922
Fatal
923
Non-fatal
924
Non-fatal
925
Non-fatal
926
Non-fatal
927
Non-fatal
928
Non-fatal
929
Non-fatal
930
Non-fatal
126 Chapter 5 System diagnostics and troubleshooting
Class
Type
Don't care
Uncorrectable
Correctable
Uncorrectable
Correctable
Uncorrectable
Uncorrectable
Correctable
Correctable
Description
Fatal error on <device>
Non-fatal, uncorrectable PCI
error on (slot is identified)
Non-fatal, correctable PCI error
on (slot is identified)
Non-fatal, uncorrectable ESI
error on (slot is identified)
Non-fatal, correctable ESI error
on (slot is identified)
Non-fatal FSB error on (FSB is
identified)
Non-fatal, uncorrectable FBD
error on (DIMM is identified)
Non-fatal, correctable FBD error
on (DIMM is identified)
Non-fatal, Internal Northbridge
error
Device
Result
Any
Err0
PCI or PCI-X
F1 prompt
PCI or PCI-X
F1 optional
PCI or PCI-X
F1 prompt
PCI or PCI-X
F1 optional
Front side bus
F1 prompt
Memory
F1 prompt
Memory
F1 optional
Memory
F1 optional
controller
ENWW

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