![ASROCK Phantom Gaming 4 Z690 Manual Download Page 28](http://html.mh-extra.com/html/asrock/phantom-gaming-4-z690/phantom-gaming-4-z690_manual_2986397028.webp)
English
25
Z690 Phantom Gaming 4
2.8 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.