User`s guide
8-13
Beep Codes
If an error occurs during the POST, the server beeps, indicating the error type.
Each number indicates the number of short beeps, and a hyphen indicates a pause. For example, the beep interval
1-3-1-1 indicates 1 beep, pause, 3 beeps, pause, 1 beep, pause, and 1 beep notifying that the DRAM refresh test error
occurred.
Beep code Description Recommended action
3-3
(repetitive)
1-2-2-3
ROM checksum error
Contact your service representative to replace the
motherboard.
1-3-1-1 DRAM refresh test error
Check if the DIMMs are properly connected. If the error
persists, contact your service representative to replace a
DIMM or the motherboard.
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
motherboard.
1-3-3-1
No memory or capacity check
error
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 DIMMs are properly connected. If the error
persists, contact your service representative to replace a
DIMM or the motherboard.
1-5-1-1 CPU startup error
Contact your service representative to replace the
motherboard.
1-5-2-2 No CPU installed
Contact your service representative to replace the CPU or
the motherboard.
2-1-2-3 BIOS ROM copyright test error
2-2-3-1 Unexpected interrupt test error
Contact your service representative to replace the
motherboard.
1-2 Option ROM initialization error Check if the BIOS SETUP is correctly configured.
If an expansion of Option ROM for an 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 motherboard or the PCI board.
NOTE: Beep code 1-5-4-2 informs you that the AC power supply was interrupted due to a
power failure or momentary voltage drop and that the system was restarted. This is not an
error.