AB350 Pro4 - BIOS Update?

garych wrote: If you want to know how it looks, then here's my motherboard. Chassis fan 2 has auto detection and I can't select its mode. Chassis fan 3 has manual mode selection.

Hi, thanks for your answer
This topic was mainly for BIOS update - I heard a lot of people having problems with those updates.
BTW thanks for your screen, I haven't that function. But I have a problem tho, I tried plugging into cha fan 2 (and 1) a 3 pin fans and it goes always to a set speed (it was the Phanteks P400s stock fan and it was going to 1100 rpm)
Then I tried with an adapter (3 to 4 pin and 4 to 3 pin) but I can't regulate my fans with it, they just go to 100% (I tried with cha fan 2 and 1)
So, I don't know what to think, maybe my motherboard has some problems with DC? It doesn't recognize 3 pin fans
But I remember that some time ago I was able to shut off fans, because I was doing experiments on which % they were turning on (and it was like 25%)

So I really don't know what to think... I triead a clear cmos too

As I said earlier, you can't select fan modes manually on this motherboard.
It will set DC mode if it detects a 3-pin fan on cha_fan2 and 3