BIOS POST Beep Codes
The table below lists the POST error beep codes. Prior to system video initialization, the
BIOS uses these beep codes to inform users of error conditions. Please note that not all
error conditions are supported by BIOS beep codes.
Number of
Beeps
1, 2, or 3
4 - 7 or 9 - 11
8
In addition to the beep codes above, additional beep codes are provided if an Intel
Remote Management Module is installed. The Intel
provides the following additional beep codes.
Table 10. Error Beep Codes Generated by Intel
Number of
Beeps
1
1-5-1-1
1-5-2-1
1-5-2-3
1-5-2-4
1-5-4-2
1-5-4-3
1-5-4-4
116
Table 9. POST Error Beep Codes
Reason for Beeps and Action to Take
Memory error. Reseat the memory or replace the DIMMs with known good
modules.
Fatal error indicating a possible serious system problem. Remove all add-in
cards and re-start the system. If the error still occurs, contact your system
manufacturer. If the beep codes are not generated after the add-in cards
are removed, insert the cards one at a time, booting the system between
each card addition, until the beeps again occur to reveal the malfunctioning
card.
Replace or reseat the system video add-in card. If on-board video is being
used, the server board may be faulty.
Module
Reason for Beeps and Action to Take
Control panel CMOS clear has been initiated.
Processor failure. Reseat or replace the failed processor.
No processor is installed or the CPU 1 socket is empty. Reseat or replace
the failed processor.
Processor configuration error or CPU 1 socket is empty. Reseat or replace
the failed processor. In a two-processor system, make sure the processors
are identical.
Front-side bus select configuration error.
DC power unexpectedly lost.
Chipset control failure.
Power control failure.
®
Remote Management Module
®
Remote Management
Server System User Guide
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