OK, I was wrong, I just checked the motherboard with a flashlight and there are fan connectors with 4 pins! I also checked my sock drawer and - holy socks! - I found a computer fan from AMD, it comes with a cooling tower as well so I think it's for the CPU, anyway it has a 4-wire! So I'll just connect it (someplace else) and see what happens. No wonder the BIOS/UEFI had PWM and not DC the default. Let's see what pwmconfig says now... 1s
-- underground experts united https://dataswamp.org/~incal
