Error Notification By Beep - NEC Express5800 Series User Manual

7-12 Troubleshooting

Error Notification by BEEP

An error message may not be displayed on the display unit even though the POST detected an error.
In such a case, the beep sounds notifies you an error. The error contents are indicated by the
combination of beep sound patterns. For example, beep sounds once, consecutively three times,
once, and then once (beep code: 1-3-1-1) indicates DRAM refresh test error.
The following table lists the meaning of beep codes and measures against them.
Beep code Meaning
1-2-2-3 ROM checksum error
1-1-2-4 ROMEXEC code error
1-3-1-1 DRAM refresh test error
1-3-1-3 Keyboard controller error
1-3-3-1 Failed to detect memory.
Or, DIMM board type is
incorrect.
Initial setting error of the
1-3-3-2
POST Memory Manager
1-3-4-1 RAM address error
1-3-4-3 RAM low byte data error
1-4-1-1 RAM high byte data error
2-2-3-1 Illegal interrupt test error
2-1-2-3 Copyright check error
1-2 Failed to initialize the video
BIOS
Failed to initialize the option
ROM
Failed to expand the option
ROM
1-5-1-1
FRB3 monitoring timeout
1-5-2-2
CPU is not implemented
1-5-2-3
CPU configuration error
1-5-4-2
Power error
1-5-4-4
Action
Contact your sales agent to replace the CPU/IO
module motherboard.
Check the installation of DIMM board.
If the error persists, contact your sales agent to
replace the DIMM or CPU/IO module
motherboard.
Disconnect the keyboard and connect it back on.
If the error persists, request your sales agent to
replace the CPU/IO module motherboard.
Check the installation of DIMM board.
If the error persists, contact your sales agent to
replace the DIMM or CPU module motherboard.
Contact your sales agent.
Check the connection of the connector for the
display if nothing is displayed on the display unit.
If the error persists, contact your sales agent to
replace the CPU/IO module motherboard.
Check the PCI board installation if the option
ROM of the added PCI board is not displayed. If
the error persists, contact your sales agent to
replace the CPU/IO module motherboard, PCI
module board or added PCI board with new one.
Check the installation of CPU. If the error
persists, contact your sales agent.
Check the installation of CPU. If the error
persists, contact your sales agent.
Check the installation of CPU. If the error
persists, contact your sales agent.
Check the installation of power. If the error
persists, contact your sales agent.