PCI总线标准已经成为PC机的主要总线标准，它在三维激光成型、高速激光打标、激光切割等需要高速图形处理的数控激光加工系统中有着广阔的应用前景。文章分析了PCI总线应用中的技术难点，提出了解决方法，并为高速激光打标机设计出了图形处理卡，加工效率提高25%～30%。

PCI bus has become the primary bus standard of PC. It is widely used in numerical-control-system ,such as 3D laser formation, high speed laser marking, laser cut and so on. This article analyzes several technique problems and puts forward solving strategy. A graphic processing card for high speed laser marking machine has been designed, which can raise the efficiency by 25%～30%.