Intel
®
Server Board S2600CP and Server System P4000CP TPS Appendix F: POST Error Code
Revision 1.1
Intel order number G26942-003
203
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 156. 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 157. 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
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