I`m just wondering - my BB has 6 pins, but PICO input connector 4 pins - is that ok? My mobo has 8 pin power connector, but PICO 4 pin. Do you have same and it works?
My PICOs don't have an input connector like that, I have to modify them to work with a 6-pin PCIe connector.
It's okay as long as it's a 12V input PICO and you don't swap the polarity. Make sure you don't just look at the wire colors but actually check polarity with a multimeter because I actually got a number of PCIe power cables that have their wires swapped.
In what sequence you turn your psu`s on ?
I turn them on at the same time. I actually have this all on a switched PDU. Depending on how long your mainboard POSTs you should be good even if you don't power them on at the same time. It's safe to turn the card-only PSUs first as well.