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Acer Management Modules provide the following additional beep
codes.
Error Beep Codes Provided by Acer® Management Modules
Beep Code Reason for the beeps and action to take
1 Control panel CMOS clear has been initiated.
1-5-1-1 Processor failure. Reseat or replace the failed processor.
1-5-2-1 No processor is installed or the CPU 1 socket is empty.
Reseat or replace the failed processor.
1-5-2-3 Processor configuration error or CPU 1 socket is empty.
Reseat or replace the failed processor. In a two-processor
system, make sure the processors are identical.
1-5-2-4 Front-side bus selects configuration error.
1-5-4-2 DC power unexpectedly lost.
1-5-4-3 Chipset control failure.
1-5-4-4 Power control failure.