XL serial machine control software is designed and developed by our company for the drilling and routing purpose. It is designed with the integration of successful experiences over years' development and the windows operation system, featuring Chinese XP operating interface with powerful function and easy operation. This kind of software can automatically recognize Excellon drilling/routing file format and Dxf, Sieb & Meyer format of Gbber, Pit and AutoCAD typically employed by PCB industry, and can be compatible with the file formats of Taiwan industry. Its functions also include the preview and zoom of pictures, addition and deletion of records concerning hole, line, circle and arc as well as copy, move, deletion and rotation of sailed pictures. With this software, the parameters concerning the blade such as the color, diameter, rotating speed, feeding, escaping and use life as well as compensation parameters and step drilling parameters can all be set. In addition, it can optimize the sequence of drilling & routing data, detect and delete the repeated holes, perform the mirroring, rotation and tools merger for different processing boards and realize the real-time analog display of data.