Technical Product Specification

Appendix D: POST Error Beep Codes Intel® Server System R1304BTSSFAN/ R1304BTLSFAN/ R1304BTLSHBN TPS
Error Code
Error Message
Response
A100
BIOS ACM Error
Major
A421
PCI component encountered a SERR error
Fatal
A5A0
PCI Express* component encountered a PERR error
Minor
A5A1
PCI Express* component encountered a SERR error
Fatal
POST Error Beep Codes
The following table lists POST error beep codes. Prior to system video initialization, the BIOS
uses these beep codes to inform users of error conditions. The beep code is followed by a
user-visible code on POST Progress LEDs.
Table 36. POST Error Beep Codes
Beeps
Error Message
POST Progress Code
Description
3
Memory error
Multiple
System halted because a fatal error related to the
memory was detected.
The following Beep Codes are from the BMC, and are controlled by the Firmware team. They are listed here for
convenience.
1-5-2-1
CPU socket
population error
N/A
CPU1 socket is empty.
1-5-2-4
MSID Mismatch
N/A
MSID mismatch occurs if a processor is installed
into a system board that has incompatible power
capabilities.
1-5-4-2
Power fault
N/A
DC power unexpectedly lost (power good dropout) –
Power unit sensors report power unit failure offset.
1-5-4-4
Power control fault
N/A
Power good assertion timeout – Power unit sensors
report soft power control failure offset.
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