... , which can manage up to 512 computers.support various operating system: Microsoft, Linux, Unix, etc. Specifications: Features:LCD display/ ... menu, which can manage up to 512 computers. Password security protection, only authorized users can view and manage on-line computer ... EVOC,Lenovo,IBM;DELL;HP;SUN,etc. support various operating system: Microsoft, Linux, Unix, etc.Specification:Model:KVM-1904H KVM ...