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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 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.
Beep Code
1 beep
5 short beeps + 1 long
beep
1 long beep + 8 short
beeps
5 beeps
1 beep per device
Continuous high (pitch)
+ low (pitch)
Appendix A
BIOS POST Error Codes
BIOS Error Beep Codes
Error Message
Refresh
Memory error
Display memory
read/write error or
no video
No Con-In or
NoCon-Out
devices
Refresh
X9 IPMI Error Codes
System Overheat
A-1
Appendix A: BIOS POST Error Codes
Description
Circuits have been reset.
(Ready to power up)
No memory detected in the
system
No
video
display,
adapter missing or with faulty
memory
Con-In: USB or PS/2 key-
board, PCI or Serial Console
Redirection, IPMI KVM or
SOL
Con-Out: Video Controller,
PCI or Serial Console Redi-
rection, IPMI SOL
1 beep for each USB device
System overheat
video
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