Intel® Server D50DNP Family Integration and Service Guide
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Appendix F. POST Error Codes
Most error conditions encountered during POST are reported using POST error codes. These codes
represent specific failures, warnings, or information. POST error codes may be displayed in the Error
Manager display screen in the BIOS Setup utility and are always logged to the System Event Log (SEL).
Logged events are available to system management applications, including remote and Out of Band (OOB)
management.
There are exception cases in early initialization where system resources are not adequately initialized for
handling POST Error Code reporting. These cases are primarily fatal error conditions resulting from
initialization of processors and memory, and they are handled by a diagnostic LED display with a system halt.
Table 21 lists the supported POST error codes. Each error code is assigned an error type that determines the
action the BIOS takes when the error is encountered. Error types include minor, major, and fatal. The BIOS
action for each is defined as follows:
• Minor: An error message may be displayed on the POST screen or in the BIOS setup utility Error
Manager and the POST error code is logged to the SEL. The system continues booting in a degraded
state. The user may want to replace the erroneous unit. The POST Error Pause option setting in the
BIOS setup utility does not have any effect on this error.
• Major: An error message is posted to the Error Manager screen and an error is logged to the SEL. If
the BIOS setup utility “Post Error Pause” option is enabled, operator intervention is required to
continue booting the system. If the BIOS setup utility “POST Error Pause” option is disabled, the
system continues to boot.
Note: For 0048 (password check failed), the system halts and then, after the next reset/reboot,
displays the error code on the Error Manager screen.
• Fatal: If the system cannot boot, POST halts the system with a halt error code on the diagnostic LEDs.
The system cannot boot unless the error is resolved. The faulty component must be replaced.
Note: The POST error codes in the following table are common to all current generation Intel server
platforms. Features present on a given server board/system determine which of the listed error codes are
supported.
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