A motherboard includes a first circuit board, a second circuit board, and wiring. The first circuit board includes at least a programmable chip, a programming interface, a first data interface, and at least one jumper corresponding to the programmable chip. The second circuit board includes a CPU (central processing unit), a RAM unit, and at least a second data interface corresponding to the programmable chip. The motherboard of the present disclosure concentrates programmable chips on the first circuit board, thereby providing a unified programming interface to enhance the convenience of programming multiple programmable chips.