Supermicro X11DAi-N - Appendix A BIOS Codes; A.1 BIOS Error POST (Beep) Codes

Appendix A: BIOS Codes
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Appendix A
BIOS Codes
A.1 BIOS Error POST (Beep) Codes
Note: For BIOS beep codes to work properly, please connect an optional external
speaker to the speaker/buzzer header located at JD1. Please refer to Chapter 2 for
more information on JD1.

is powered on, errors may occur.
Non-fatal errors
process. The error messages normally appear on the screen.
Fatal errors
a fatal error occurs, you should consult with your system manufacturer for possible repairs.
The fatal errors are usually communicated through repeated patterns of audible beeps. Each
pattern of audible beeps listed below corresponds to its respective error.
BIOS Beep (POST) Codes
Beep Code Error Message Description
1 beep Refresh Circuits have been reset (Ready to power up)
5 short, 1 long Memory error No memory detected in system
5 long, 2 short Display memory read/write error Video adapter missing or with faulty memory
1 long continuous System OH System overheat condition
A.2 Additional BIOS POST Codes
The AMI BIOS supplies additional checkpoint codes, which are documented online at http://
www.supermicro.com/support/manuals/ ("AMI BIOS POST Codes User's Guide").