I am runing powered hub, ofcourse. Otherwise it would be too bad.. and no, this "ouch" did not mean i get a shock haha, was just saying geting a buzz like a noise thats it:)) Anyways, i managed to get everything work, so now i run BSP from powered usb hub and also feeding it by separate power source, and what i also did, (i dont know why i did not do it before, really) is update the firmware, and now no noise and midi is working with synths and i can finally play on external keyboard recording it to BSP!!! Very happy, very thank you all for help! Wish you happy Cristmas and lots of inspiration! B)