One PS/2 console controls 8 computers; Cascadable up to 3 levels - provides up to 512 computers; Computer selection via front panel pushbuttons, hotkeys or On Screen Display (OSD); Keyboard and mouse emulation for error free booting; Supports Microsoft IntelliMouse, Logitech MouseMan, FirstMouse, IBM Scrollpoint Mouse; OSD automatically adjusts to resolution changes; Auto Scan function to monitor computer operation; Superior video quality: up to 1920 x 1440 -- DDC2B; Available in silver and black; Special design for easy stacking; Rack mountable in 19" (1U) system rack; Multiplatform support: Windows 2000/XP/Vista, Linux and FreeBSD; For more information about KVMs which can connect to CS9138, see Compatible KVM Table.