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Intel®
Compute Module MFS2600KI TPS Appendix C: POST Error Code
Revision 1.0 Intel Confidential
Intel order number: G51989-002
55
The following table lists the POST error beep codes. Prior to system video initialization, the
BIOS uses these beep codes to inform users on error conditions. The beep code is followed by
a user-visible code on the POST Progress LEDs
Table 31. POST Error Beep Codes
Beeps
Error Message
POST Progress Code
Description
3
Memory error
See Table 64
System halted because a fatal error related to the memory
was detected.
1 long
Intel
®
TXT security
violation
0xAE, 0xAF
System halted because Intel
®
Trusted Execution
Technology detected a potential violation of system
security.
POST Error Beep Code
The Integrated 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
®
server boards and systems
that use same generation chipset are listed in the following table. Each digit in the code is
represented by a sequence of beeps whose count is equal to the digit.
Table 32. Integrated BMC Beep Codes
Code
Reason for Beep
Associated Sensors
1-5-2-1
No CPUs installed or first CPU socket is
empty.
CPU Missing Sensor
1-5-2-4
MSID Mismatch.
MSID Mismatch Sensor.
1-5-4-2
Power fault: DC power is unexpectedly
lost (power good
dropout).
Power unit – power unit failure
offset.
1-5-4-4
Power control fault (power good assertion
timeout).
Power unit – soft power control
failure
offset.
1-5-1-2
VR Watchdog Timer sensor assertion
VR Watchdog Timer
1-5-1-4
The system does not power on or
unexpectedly
powers off and a
power supply unit
(PSU) is present
that is an
incompatible model
with one or more
other PSUs in the
system
PS Status