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Intel® Workstation Board S5520SC TPS Appendix F: POST Error Messages and Handling

Revision 1.7

Intel order number: E39530-010

171

POST Error Beep Codes

The following table lists the 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 the POST Progress LEDs.

Table 91. 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 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. Each digit in the code is represented by a sequence of beeps whose

count is equal to the digit.

Table 92. BMC Beep Codes

Code Reason for Beep Associated Sensors

1-5-2-1 CPU: Empty slot/Population error CPU sockets are populated incorrectly – CPU1

must be populated before CPU2.

1-5-4-2 Power fault: DC power 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.

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