简介: Control Chipset (Chipset). As part of the motherboard, the control chip set plays a core role on the motherboard. The control chip set generally has two (called the south bridge and the north bridge), which is used to control and coordinate the operation of various parts of the computer system. It mainly controls the memory I/O, bus I/O, and integrates the hard disk controller, which is responsible for handling interrupt request (IRQ) and direct memory access (DMA), etc.