Chipset Driver Support. The download service of SiS PC Chipset products has transferred to sis.com/ · SiS Driver Downlad. Please connect to the "Download Center" and follow the steps for drivers downloading. ( sis.com/download). 2. Why can't I get the driver after inputting. Silicon Integrated Systems (SiS) is a worldwide leading IC design company. The products have been widely applied in portable touch devices We expect.