Rear board combination

The backplane combining means, comprising a backing plate against the side of the motherboard and the backplane through a plurality of fixing columns and motherboard, wherein each mounting post includes a connecting portion, the connecting portion having one end connected to a relatively stopper end portion of the large-size, and the other end is a locking portion, said rear mounting post through the backing plate and the motherboard, so that the backplane motherboard and sandwiched stopper end portion of the locking portion between. Combining means backsheet in the present invention means a combination of the back plate fixed in advance on the motherboard using a fixed column facilitate packaging and transportation.