MSI MEG Z390 GODLIKE Présentation Rapide page 56

CPU Power LED
This LED indicates that the 8-pin CPU power connectors (CPU_PWR1 and CPU_PWR2)
are only connected to the 4-pin power connector.
Important
When the CPU Power LED is lit, your computer may be started, but insufficient power
may cause system stability issues.
46
Onboard LEDs
CPU Power LED
LED color CPU power connectors status
Red
Off
CPU_PWR1 CPU_PWR2
CPU_PWR1 CPU_PWR2
CPU_PWR1 CPU_PWR2
CPU_PWR1 CPU_PWR2
CPU_PWR1 CPU_PWR2
CPU_PWR1 CPU_PWR2
CPU_PWR1 CPU_PWR2
CPU_PWR1 CPU_PWR2