Chassis Front USB Connection

First, an overview because each USB peripheral interface able to provide +5 V500MA current, when we connected on-board USB interface, must be in strict accordance with the motherboard manual for installation. Absolutely not an error, or they will burn the motherboard or a peripheral. Definitely not an error, or they will burn the motherboard or a peripheral. I believe there are a lot of friends in the USB plug to connect front-line similar happened when the "smoking something,
see." I believe there are a lot of friends in the front USB plug cable connection occurred when a similar "smoking something, see." This requires us to be able to accurately determine the sequence of pre-USB cable USB interface, if we know the basic layout structure, That issue is not to be solved do. This requires us to be able to accurately determine the sequence of pre-USB cable USB interface, if we know the basic layout structure, the problem would be solved do not.
2, USB interface, the physical map Host: 2, USB interface, the physical map Host:
Wiring Diagram: Wiring diagram:

VCC VCC
Data-Data --
Data + Data +
GND GND