Post Status Checker - ASROCK B550 Phantom Gaming 4/ac User Manual

B550 Phantom Gaming 4/ac

2.7 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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