RIJER 8portkvm #ad - Main function】 device with 8 leds pc1, pc2, pc3, pc5, pc7, a usb 2.0 port, vga port maximum resolution 1920x1440! it can conecnter the keyboard and mouse to 8 PCs, pc6, PC4, pc8, PC screen / keyboard / mouse control. Support system】 dos support, winxp, win2000, win7, win dows9x, NT, linux, NOVELL and other operating systems.