Why is only 1 processor recognized in an SMP machine?
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Commonly, if a Linux instalation only recognizes 1 processor in a Symmetric Multiprocessor (SMP) system, the cause is one or more of the following:
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Incorrect BIOS settings
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Use of a uni-processor (UP) kernel image
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Mismatched Processors
To correct this, ensure that your BIOS settings enable all of the processors in your syst...
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