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Troubleshooting 8-11
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 1-5-2-2
indicates 1 beep, pause, 2 beeps, pause, 2 beeps, pause, and 3 beeps notifying that no processor is detected on the mother
board.
Beep code Description Recommended action
1-2 Option ROM initialization
error 1. Check if the optional add-in card is properly
installed.
2. Run the BIOS SETUP utility to check the IRQ
assignment.
3. Ask your service representative to replace the
add-in card or mother board.
3-3
1-2-2-3 ROM checksum error Replace the mother board.
1-3-1-1 DRAM refresh test error 1. Check if the DIMM is properly installed.
2. Remove the DIMM once, and then re-install it to
check if it operates normally.
3. Ask your service representative to replace the failed
DIMM or mother board.
1-3-1-3 Keyboard controller error 1. Check if the keyboard is properly connected.
2. Replace the mother board.
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
1. Check if the DIMM is properly installed.
2. Remove the DIMM once, and then re-install it to
check if it operates normally.
3. Ask your service representative to replace the failed
DIMM or mother board..
1-5-1-1 CPU startup error
1-5-2-1 No CPU installed
1. Check if the CPU is properly installed.
2. Remove the CPU once, and then re-install it to
check if it operates normally.
3. Ask your service representative to replace the
failed CPU.
1-5-4-2 AC power interrupted
The AC power supply is interrupted due to power
failure or momentary voltage drop and the system is
restarted. This is not an error.
1-5-4-4 Abnormal voltage Replace the mother board.
2-1-2-3 BIOS ROM copyright test
error
2-2-3-1
Unexpected interrupt test
error
Replace the mother board.