I don't know if the problem can be solved via bios.In my opinion these vga have a mechanism to check the voltage delivered too sensitive.As workaround in the new GPUTWEAK II they gave the possibility to turn off the red LEDs (see release notes):New f...
I monitor with gpuz I always have 12.1 volts on all three power cables while under load.In fact I have never had red led problems while playing.I'm just having trouble with the red LEDs, randomly, when I boot the PC.
I too have the same problem with my asus rtx 3090 strix oc and I have a corsair rm850 power supply.Every so often during the start-up phase the red LEDs on the power connector 1 and 3 light up.I have never logged into gaming and the card is stable.Mo...