The Avocent HMIQDHDD is a HMX IQ computer interface module dual head DVI-D video, USB, audio for use with the Avocent HMX series. The HMX IQ Computer Interface Module is used to connect target computers to the TCP/IP Area Network. HMX IQ selection depends on type and number of displays to be supported and the video that is generated by the computer. All HMX IQ modules are hardware based and require no software or drivers to be loaded on to the target computer. All HMX IQ modules are operating system (OS) independent, enabling the solution to function with Windows, Mac, Linux or Sun computers.