ASRock A780FullDisplayPort Quick Installation Guide - Page 27
Front Panel Audio Header
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Front Panel Audio Header (9-pin HD_AUDIO1) (see p.2, No. 29) This is an interface for the front panel audio cable that allows convenient connection and control of audio devices. 1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must support HDA to function correctly. Please follow the instruction in our manual and chassis manual to install your system. 2. If you use AC'97 audio panel, please install it to the front panel audio header as below: A. Connect Mic_IN (MIC) to MIC2_L. B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L. C. Connect Ground (GND) to Ground (GND). D. MIC_RET and OUT_RET are for HD audio panel only. You don't need to connect them for AC'97 audio panel. E. Enter BIOS Setup Utility. Enter Advanced Settings, and then select Chipset Configuration. Set the Front Panel Control option from [Auto] to [Enabled]. F. Enter Windows system. Click the icon on the lower right hand taskbar to enter Realtek HD Audio Manager. For Windows® XP / XP 64-bit OS: Click "Audio I/O", select "Connector Settings" , choose "Disable front panel jack detection", and save the change by clicking "OK". For Windows® VistaTM / VistaTM 64-bit OS: Click the right-top "Folder" icon , choose "Disable front panel jack detection", and save the change by clicking "OK". System Panel Header (9-pin PANEL1) (see p.2 No. 18) This header accommodates several system front panel functions. Chassis Speaker Header (4-pin SPEAKER 1) (see p.2 No. 19) Please connect the chassis speaker to this header. Chassis Fan Connector Please connect a chassis fan (3-pin CHA_FAN1) cable to this connector and (see p.2 No. 20) match the black wire to the ground pin. 27 ASRock A780FullDisplayPort Motherboard English