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X11SDV-16C/-12C/-8C-TP8F User Manual
BIOS Error POST (Beep) Codes
During the POST (Power-On Self-Test) routines, which are performed upon each system
boot, errors may occur.
Non-fatal errors are those which, in most cases, allow the system to continue to boot. These
error messages normally appear on the screen.
Fatal errors will not allow the system to continue with bootup. 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 table
below lists some common errors and their corresponding beep codes encountered by users.
Beep Code
Error Message
1 beep
Refresh
5 short, 1 long
Memory error
5 long, 2 short
Display memory read/write error
1 long continuous
System OH
Appendix A
BIOS Codes
BIOS Beep (POST) Codes
Description
Circuits have been reset (Ready to power up)
No memory detected in system
Video adapter missing or with faulty memory
System overheat condition
110
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