usb power problem: solved!
hello there, for those who have an epia motherboard (or any other motherboard with an additional external usb bracket), the opus 150W and have to deal with usb devices draining out their battery because of the impossibility of powering them down, here is HOW I DID IT:(without damaging or permanently modifing a thing)
things you need:
1)external usb hub.
2) two pieces of wire 10-20 cm long.
4) a free molex 5 wire plug on your opus (or you can plug in one of those multipliers)
open your case.
follow the wire from the external usb ports to the motherboard. unplug it from the motherboard. usually there are two sets of identical wirings because the usb ports are in couples. from one of these which should be in a row, extract(do not cut or you wont be able to put things back in their original state...):
the black wire and the red wire(should be at the opposites, the otyher two wires are the data rx/tx). now the red wire has to go to the red wire on the free 4 wire molex connector and the black wire to the black wire on the same. since the wires from the usb connector are very small i taped them with a thicker piece of spare wire 5cm long the other end plugged into the molex connector and taped them Very well!
close the case, connect your usb hub to the "modified" usb port and every time your opus shuts down it will shut down the power to the usb gps, bluetooth, irda etc etc. peripherals without draining your battery.