A-1
Appendix A: BIOS Error Beep Codes
Appendix A
BIOS Error Beep Codes
During the POST (Power-On Self-Test) routines, which are performed each time
the system is powered on, errors may occur.
Non-fatal errors are those which, in most cases, allow the system to continue the
boot-up process. The error messages normally appear on the screen.
Fatal errors are those which will not allow the system to continue the boot-up
procedure. If a fatal error occurs, you should consult with your system manufacturer
for possible repairs.
These fatal errors are usually communicated through a series of audible beeps. The
numbers on the fatal error list (on the following page) correspond to the number
of beeps for the corresponding error. All errors listed, with the exception of Beep
Code 8, are fatal errors.
A-1 AMIBIOS Error Beep Codes
Motherboard BIOS Error Beep Codes
Beep Code/LED Error Message Description
1 beep Refresh Ready to boot
5 short beeps + 1 long
beep
Memory error No memory detected in the
system
5 beeps No Con-In or No
Con-Out devices
Con-In includes USB or PS/2
keyboard, PCI or Serial Console
Redirection, IPMI KVM or SOL.
Con-Out includes Video
Controller, PCI or Serial Console
Redirection, IPMI SOL.
1 beep per device Refresh 1 beep or each USB device
detected
IPMI Error Codes
1 Continuous Beep System OH System Overheat
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