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• Audio signals will be present on both of the front and back panel audio connections simultaneously. If you want to mute the back panel audio (only supported when using an HD front panel audio module), refer to instructions on the next page. Step 1: After installing the audio driver, the HD Audio Manager icon will appear in the notification area. Doubleclick the icon to access the HD Audio Manager. (Note) 2/4/5.1/7.1-Channel Audio Configurations: Refer to the following for multi-channel speaker configurations. • 2-channel audio: Headphone or Line out. • 4-channel audio: Front speaker out and Rear speaker out. • 5.1-channel audio: Front speaker out, Rear speaker out, and Center/Subwoofer speaker out. • 7.1-channel audio: Front speaker out, Rear speaker out, Center/Subwoofer speaker out, and Side speaker out. Rear Speaker Out Center/Subwoofer Speaker Out Side Speaker Out Line In Front Speaker Out Mic In - 113 - Appendix Step 3: On the Speakers screen, click the Speaker Configuration tab. In the Speaker Configuration list, select Stereo, Quadraphonic, 5.1 Speaker, or 7.1 Speaker according to the type of speaker configuration you wish to set up. Then the speaker setup is completed. Step 2: Connect an audio device to an audio jack. The The current connected device is dialog box appears. Select the device according to the type of device you connect. Then click OK. B. Configuring Sound Effect: You may configure an audio environment on the Sound Effects tab. If your chassis provides an AC'97 front panel audio module, to activate the AC'97 functionality, click the tool icon on the Speaker Configuration tab. On the Connector Settings dialog box, select the Disable front panel jack detection check box. Click OK to complete. D. Muting the Back Panel Audio (For HD Audio Only): C. Activating an AC'97 Front Panel Audio Module: Click Device advanced settings on the top right corner on the Speaker Configuration tab to open the Device advanced settings dialog box. Select the Mute the rear output device, when a front headphone plugged in check box. Click OK to complete. GA-EX58-UD4P Motherboard - 114 - 5-2-2 Configuring S/PDIF In/Out A. S/PDIF In: The S/PDIF in cable (optional) allows you to input digital audio signals to the computer for audio processing. 1. Installing the S/PDIF In Cable: 2. Configuring S/PDIF In: On the Digital Input screen, click the Default Format tab to select the default format. Click OK to complete. Step 1: First, attach the connector at the end of the cable to the SPDIF_I header on your motherboard. Step 2: Secure the metal bracket to the chassis back panel with a screw. (Note) The actual locations of the SPDIF In and SPDIF Out connectors may differ by model. Coaxial S/PDIF In Optical S/PDIF In S/PDIF In Cable - 115 - Appendix B. S/PDIF Out: The S/PDIF out jacks can transmit audio signals to an external decoder for decoding to get the best audio quality. 1. Conneting a S/PDIF Out Cable 2. Configuring S/PDIF Out: On the Digital Output screen, click the Default Format tab and then select the sample rate and bit depth. Click OK to complete. Connect a S/PDIF coaxial cable or a S/PDIF optical cable (either one) to an external decoder for transmitting the S/PDIF digital audio signals. S/PDIF Coaxial Cable S/PDIF Optical Cable GA-EX58-UD4P Motherboard - 116 - (Note) When Dolby Digital Live is enabled, only digital audio output (S/PDIF) is working, and you will not hear any sound from analog speakers or headphone. 1. : Click Dolby Pro Logic IIx. The system will expand 2-channel audio for a 7.1-channel surround sound playback. 2. : Click Natural Bass to enable speaker bass effect. Install the Dolby GUI Software driver from the motherboard driver disk. Click the Start icon . Point to All Programs, Dolby Control Center to access the utility. (The following illustration demonstrates a 7.1-speaker configuration as an example.) 5-2-3 Enabling the Dolby Home Theater Function Before Dolby Home Theater is enabled, you get only 2-channel playback output (from the front speakers) when playing 2-channel stereo sources. You must play 4-, 5.1-, or 7.1- channel content to get 4-, 5.1-, or 7.1- channel audio effects. With Dolby Home Theater enabled, 2-channel stereo content will be transformed into multi-channel audio, creating a virtual surround sound environment(Note). - 117 - Appendix 5-2-4 Configuring Microphone Recording Step 2: Connect your microphone to the Mic in jack (pink) on the back panel or the Mic in jack (pink) on the front panel. Then configure the jack for microphone functionality. Note: The microphone functions on the front panel and back panel cannot be used at the same time. Step 3: Go to the Microphone screen. Do not mute the recording volume, or you'll not be able to record the sound. To hear the sound being recorded during the recording process, do not mute the playback volume. It is recommended that you set the volumes at a middle level. Step 1: After installing the audio driver, the HD Audio Manage...