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When this limit is reached, the oldest backup will be ovewritten. (Note) The changed data refers to the data that has been modified, deleted, or newly added since the last backup. Unique Features - 70 - Chapter 5 Appendix 5-1 Configuring Audio Input and Output 5-1-1 Configuring 2/4/5.1/7.1-Channel Audio The motherboard provides three audio jacks on the back panel which support 2/4/5.1 /7.1 (Note)-channel audio. The picture to the right shows the default audio jack assignments. The integrated HD (High Definition) audio provides jack retask-ing capability that allows the user to change the function for each jack through the audio driver. To install a microphone, connect your microphone to the Mic in jack and manually configure the jack for microphone functionality. 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 page 73. High Definition Audio (HD Audio) HD Audio includes multiple high quality digital-to-analog converters (DACs) that support 44.1KHz/48KHz/ 96KHz/192KHz sampling rate. HD Audio features multistreaming capabilities that allow multiple audio streams (in and out) to be simultaneously processed. For example, users can listen to MP3 music, have an Internet chat, make a telephone call over the Internet, and etc. all at the same time. A. Configuring Speakers (The following instructions use Windows Vista as the example operating system.) (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. - 71 - Appendix The pictures to the right show the 7.1-channel speak- 7.1-Channel Speakers: er configurations. Front Speaker Out Rear Speaker Out Center/Subwoofer Speaker Out 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. 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. B. Configuring Sound Effect You may configure an audio environment on the Sound Effects tab. Appendix - 72 - C. Activating an AC'97 Front Panel Audio Module 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) 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. - 73 - Appendix 5-1-2 Configuring S/PDIF Out The S/PDIF Out jacks (Note ) can transmit audio signals to an external decoder for decoding to get the best audio quality. 1. Connecting a S/PDIF Out Cable: Connect a S/PDIF coaxial cable to the corresponding S/PDIF out connector as shown below and an external decoder for transmitting the S/PDIF digital audio signals. 2. Configuring S/PDIF Out: On the Digital Output(RCA) screen (Note), click the Default Format tab and then select the sample rate and bit depth. Click OK to complete. rf5» Digita, Output (SR* ^ Digiti -a a (Note) Enter the Digital Output(RCA) screen to configure further settings if you use the S/PDIF Out connector on the back panel for digital audio output or enter the Digital Output screen if you use the internal S/PDIF Out connector (SPDIF_O) for digital audio output. Appendix - 74 - 5-1-3 Configuring Microphone Recording Step 1: After installing the audio driver, the HD Audio Manager icon |H will appear in the notification area. Double-click the icon to access the HD Audio Manager. 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. - 75 - Appendix Step 4: To rais...