Beep Codes - NEC Express5800 120Rj-2 User Manual

User Guide

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 1-5-2-1 indicates 1 beep, pause, 5 beeps, pause, 2 beeps,
pause, and 1 beeps notifying that a checksum error occurred on ROM.
Beeps Error
1-2
Option ROM initialization error
3-3 ROM checksum error
1-2-2-3
1-3-1-1 DRAM refresh test error
1-3-1-3 Keyboard controller error
1-3-3-1 No memory or capacity check
error
DRAM address error
1-3-4-1
DRAM test Low Byte error
1-3-4-3
DRAM test High Byte error
1-4-1-1
1-5-1-1 CPU startup error
1-5-2-1 No CPU installed
1-5-4-2 AC power interrupted
1-5-4-4 Abnormal voltage
2-1-2-3 BIOS ROM copyright test error
2-2-3-1 Unexpected interrupt test error
Table 32: POST Error Beep Codes
Recommended Action
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 motherboard..
Replace the motherboard.
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 motherboard.
1. Check if the keyboard is properly connected.
2. Replace the motherboard
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 motherboard
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.
The AC power supply is interrupted due to power failure or
momentary voltage drop and the system is restarted. This is
not an error.
Replace the motherboard.
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