ASRock X38TurboTwins-WiFi Quick Installation Guide - Page 22
Front Panel Audio Header
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If you don't plan to use WiFi+AP functin on this motherboard, this header can be used as a 4-Pin USB 2.0 header to support one USB 2.0 port. To connect the 4-Pin USB device cable to this header, please refer to this picture for proper installation. DeskExpress Hot Plug Detection Header (5-pin IR1) (see p.2 No. 25) Internal Audio Connectors (4-pin CD1) (CD1: see p.2 No. 31) Front Panel Audio Header (9-pin HD_AUDIO1) (see p.2 No. 30) This header supports the Hot Plug detection function for ASRock DeskExpress. This connector allows you to receive stereo audio input CD1 from sound sources such as a CD-ROM, DVD-ROM, TV tuner card, or MPEG card. This is an interface for 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® 2000 / 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". 22 ASRock X38TurboTwins-WiFi / X38TurboTwins Motherboard English