8-21
Beep Codes
If an error occurs during the POST, the server beeps, indicating the type of error.
Each number indicates the number of short beeps, and a hyphen indicates a pause. For example, the beep interval 1-3-1-3
indicates 1 beep, pause, 3 beeps, pause, 1 beeps, pause, and 3 beeps notifying that the keyboard controller error.
Beep code Description Recommended action
1-2 Video BIOS initialization error
1-2 Option ROM initialization error
If nothing is displayed, check if the connector of the display unit is
properly connected. If the error persists, contact your service
representative to replace the I/O board.
If an expansion of Option ROM for additionally installed PCI board is not
displayed, check if the PCI board is properly installed. If the error persists,
contact your service representative to replace the I/O board or PCI board.
1-3-1-3 Keyboard controller error
Disconnect the keyboard and connect it again. If the error persists,
contact your service representative to replace the I/O board.
1-3-3-1
Memory is not detected. Or, DIMM
type is incorrect.
1-3-4-1 DRAM Address error
1-3-4-3 DRAM test Low Byte error
1-4-1-1 DRAM test High Byte error
Check if the DIMM and memory boards are properly connected. If the
error persists, contact your service representative to replace DIMM or
memory board.
1-5-1-1 Processor fails to start.
1-5-2-2 No processor error
Check if the processor is properly installed. If the error persists, contact
your service representative to replace processor or processor board.
1-5-2-3
Processors of various types and
voltages coexist.
Check if the additionally installed processor is supported by the server.
Check also the installation of processor. If the error persists, contact your
service representative to replace the processor or processor board.
1-5-4-4 Power failure
Internal board may be faulty. Contact your service representative to
identify the faulty board and replace it with new one.
2-2-3-1 Unexpected interrupt test error Contact your service representative to replace the I/O board.
NOTE: Beep code 1-5-4-2 informs you that AC power supply is interrupted due to power failure
or momentary voltage drop and the system is restarted. This is not an error.
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