[. . . ] 1 English • • • • • • • • Installation requirements To ensure a successful installation of the Xonar DX audio card, your computer must meet the following requirements: One PCI Express 1. [. . . ] The PCI Express high-quality audio card requires additional power from your computer. If the power cable is not connected properly, the audio card will not work at all. 3 3 When removing the power cable from the Xonar DX audio card, make sure to pull outward the 4-pin header first, then unplug it from the power connector as the following pictures show. Do not forcefully remove the header from the power connector; doing so may pull up the power connector from the audio card and cause damage!3 English Driver installation After installing the Xonar DX audio card on your computer, you need to install the device driver that enables the Xonar DX audio card to work with Windows operating system. The version and content of the driver CD are subject to change without notice. If you have already installed the ASUS Xonar DX audio card, the Found New Hardware Wizard window may pop up before or during driver installation. Installing the Audio Card Driver To install the device driver: Click Cancel from the Found New Hardware wizard window. [. . . ] Just plug the coaxial RCA male connector to the S/PDIF-Out combo jack and connect the other end into the coaxial S/PDIF input on your decoder. [. . . ]