SUPER MICRO Computer X7SBL-LN1/LN2 - Manual (Page 87)

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Appendix A: BIOS POST Messages
Appendix A
BIOS Error Beep Codes
This section lists POST (Power On Self Test) error beep codes for the Phoenix BIOS.
POST error beep codes are divided into two categories: recoverable and terminal.
This section lists Beep Codes for recoverable POST errors.
Recoverable POST Error Beep Codes
When a recoverable type of error occurs during POST, BIOS will display a POST
code that describes the problem. BIOS may also issue one of the following beep
codes:
1 long and two short beeps - video confi guration error
1 repetitive long beep - no memory detected
1 continuous beep (with front panel OH LED on) - system overheat