ASROCK Fatal1ty X99 Professional Serie Mode D'emploi page 37

Fatal1ty X99 Professional Series
2.9 Post Status Checker
Post Status Checker (PSC) diagnoses the computer when users power on the
machine. It emits a red light to indicate whether the CPU, memory, VGA or stor-
age is dysfunctional. The lights go off if the four mentioned above are functioning
normally.
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