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Appendix D: POST Error Messages and Handling
POST Error Beep Codes
The following table lists POST error beep codes. Prior to system Video initialization, BIOS uses these
beep codes to inform users on error conditions. The beep code is followed by a user visible code on
POST Progress LEDs.
Beeps
Error Message
3
Memory error
6
BIOS rolling back
error
The BMC may generate beep codes upon detection of failure conditions. Beep codes are sounded each
time the problem is discovered, such as on each power-up attempt, but are not sounded continuously.
Codes that are common across all Intel
are listed in Table 48. Each digit in the code is represented by a sequence of beeps whose count is equal
to the digit.
Code
1-5-2-1
CPU: Empty slot / population error – Processor
slot 1 is not populated.
1-5-2-2
CPU: No processors (terminators only)
1-5-2-3
CPU: Configuration error (e.g., VID mismatch)
1-5-2-4
CPU: Configuration error (e.g., BSEL mismatch)
1-5-4-2
Power fault: DC power unexpectedly lost (power
good dropout)
1-5-4-3
Chipset control failure
1-5-4-4
Power control fault
106
Table 47. POST Error Beep Codes
POST Progress Code
®
Server Boards and systems that use the Intel
Table 48. BMC Beep Codes
Reason for Beep
Revision 1.9
Intel order number: D31979-010
®
Intel
Server Board S5000PAL / S5000XAL TPS
Description
System halted because a fatal error related to the memory
was detected.
The system has detected a corrupted BIOS in the flash
part, and is rolling back to the last good BIOS.
Associated Sensors
CPU Population Error
N/A
N/A
N/A
Power Unit – power unit
failure offset
N/A
Power Unit – soft power
control failure offset
®
S5000 chipset
Supported?
Yes
No
No
No
Yes
No
Yes
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