1. First, find the widest power cord connected from the chassis, as shown by the arrow in the figure below. Labeled USB, it is the cable connecting the USB socket of the chassis panel. Then at the edge of the motherboard, find the USB socket and plug it in.

2. Then, in a wire harness of the chassis, find a wire marked with the words HDD_LED and connect it with the corresponding HDD_LED pin on the motherboard.

3. Then find the line marked Power_SW and connect it to PWR_BTN. The position of PWR_BTN on the motherboard can be seen in the above figure, and HDD_LED will be marked in the upper and lower rows. POWER_LED is the indicator light, and then street PWR_LED will do.

4. There is a restart switch wire in the host. This line is marked with RESET_SW at the head, as shown in the figure below. If you can't see clearly, turn on the flashlight.

5. Finally, on the motherboard, find the pin marked with the word RESET and arrange two pins, as shown below. Plug in the power supply, and the motherboard USB112 and usb 13 14 of ASUS b85 will be successfully connected to the chassis.