User Manual

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Z790M PG Lightning/D4
2.13 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
storage is dysfunctional. e lights go o if the four mentioned above are function-
ing normally.
Z7 9 0m P G
DRAM
CPU
VGA
BOOT