Acer AT350 F2 Acer AT350 F2 Server Service Guide - Page 127

113 BIOS Error Beep Codes During the POST (Power-On Self-Test) routines, which are performed at each system boot, errors may occur. Non-fatal errors are those which, in most cases, allow the system to continue to boot. The error messages normally appear on the screen. Fatal errors will not allow the system to continue with bootup 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 correspond to the number of beeps for the corresponding error. BIOS Error Beep Codes Beep Code/ LED Error Message 1 beep Refresh 5 short beeps + Memory error 1 long beep 5 long beeps + 2 Memory error short beeps 1 continuous beep System OH Description Circuits have been reset. (Ready to power up) No memory detected in the system Display memory read/write error System overheat