Features . Control two computers with DVI video connecyors from one keyboard, mouse and dvi monitor . Add PCs or Remove Connected PCs for Maintenance without powering down the PC. . Keyboard and mouse emulation - computers boot even when the console focus is elsewhere. . Power on detection - automatically switches to the first powered on port. . Caps Lock,Num Lock,and Scroll Lock status are saved and restored when switching. . LED display for easy status monitoring. . Front panel push button and hotkey commands for easy computer selection. . No drivers needed for keyboard and mouse operation. . Supports keyboard and mouse plug-n-play. . Operating system independent, compatible with all operating systems . Maintains highest 1920 x 1200 x 60Hz resolution video . Support auto scan function. . No software required. . Non-powered. Specifications Specification DVISW 401A Computer Connections 4 Port Select Push Button or Hot Key LEDs 4 Console Port Connectors 1 PS/2 keyboard mini_din 6pin(female);1 PS/2 mouse mini_din 6pin(female); 1 - DVI-I Single Link Female; PC Port Connectors 4 PS/2 keyboard mini_din 6pin(female);4 PS/2 mouse mini_din 6pin(female); 4 - DVI-I Single Link Female Scan Interval 10 seconds Power Non-powered VGA Resolution 1920 x 1440, DDC2B