Hi 

This is my first rig that i'm building and i need help

4 X Gigabyte rx580 4GB gaming
1 X MSI Z270
OS -EthOS

I need help with:
1) the hash rate it only 21.5MHs 
   i need help to change bios mode or oc them
2) one card not recognize
    i will try to find who is
3) add Wifi support for EthOS

the most important it number 1

support by skype and payment with BTC

please send me message if you have to knowledge

Thanks shai