Here is the guide to activate Usb controller on your DM500hd with a little hw modification. Warning: Removing resistors means you are going to VOID WARRANTY and everything happening since then will be at YOUR OWN RISK, no one will take responsibility for your own actions. Warning:This guide is Dream Elite team exclusive. Nobody have the persmission to redistribute the guide and the content in any way or form
About cable connector. You can use a normal Usb cable as for example from old Pc Remember only to open the way for the pin N. 10