Appendix C: POST Error Messages and Handling Intel® Server Board S5500BC TPS
Intel order number: E42249-009 Revision 1.8
Appendix C: POST Error Messages and Handling
Whenever possible, the BIOS outputs the current boot progress codes on the video screen.
Progress codes are 32-bit quantities plus optional data. The 32-bit numbers include class,
subclass, and operation information. The class and subclass fields point to the type of hardware
being initialized. The operation field represents the specific initialization activity. Based on the
data bit availability to display progress codes, a progress code can be customized to fit the data
width. The higher the data bit, the higher the granularity of information that can be sent on the
progress port. The progress codes may be reported by the system BIOS or option ROMs.
The Response section in the following table is divided into three types:
Minor: The message displays on the screen or on the Error Manager screen, and an
error 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 does not have any effect on this error.
Major: The message displays on the Error Manager screen, and an error is logged to
the SEL. The POST Error Pause option setting in the BIOS setup determines whether
the system pauses to the Error Manager for this type of error so the user can take
immediate corrective action or the system continues booting.
reset/reboot displays the error code in the Error Manager screen.
Fatal: The system halts during post at a blank screen with the text ―Unrecoverable
fatal error found. System will not boot until the error is resolved‖ and ―Press <F2>
to enter setup‖ The POST Error Pause option setting in the BIOS setup does not have
any effect with this class of error.
When the operator presses the F2 key on the keyboard, the error message is displayed
on the Error Manager screen, and an error is logged to the SEL with the error code.
The system cannot boot unless the error is resolved. The user must replace the faulty
part and restart the system.
Table 77. SEL Format for POST Error Messages
0Fh
(System
Firmware
Progress)
6Fh
(Sensor
Specific
Offset)
A0h
(OEM Codes in
Data2 & Data3)
xxh
(Low Byte of
POST Error
Code)
xxh
(High Byte of
POST Error
Code)
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