One PS/2-USB VGA console controls four VGA interface computers. Dual Interface - supports computers with PS/2 or USB keyboards and mice Computer selection via front panel pushbuttons, hotkeys, and mouse Superior video quality - 2048 x 1536; DDC2B Video DynaSync - Exclusive ATEN technology eliminates bootup display problems and optimizes resolution when switching between ports Console mouse port emulation/bypass feature supports most mouse drivers and multifunction mice Complete keyboard emulation for error-free booting Multilingual keyboard mapping - supports English, Japanese, and French keyboards Auto Scan Mode for monitoring all computers