ASRock M3A-GLAN User Manual - Page 19

USB 2.0 Headers (9-pin USB8_9) (see p.10 No. 16) (9-pin USB6_7) (see p.10 No. 15) Infrared Module Header (5-pin IR1) (see p.10 No. 30) USB_PWR P-9 P+9 GND DUMMY 1 GND P+8 P-8 USB_PWR USB_PWR P-7 P+7 GND DUMMY 1 GND P+6 P-6 USB_PWR IRTX +5V DUMMY 1 GND IRRX Besides six default USB 2.0 ports on the I/O panel, there are two USB 2.0 headers on this motherboard. Each USB 2.0 header can support two USB 2.0 ports. This header supports an optional wireless transmitting and receiving infrared module. Internal Audio Connectors (4-pin CD1) (CD1: see p.10 No. 29) CD-L GND GND CD-R CD1 This connector allows you to receive stereo audio input from sound sources such as a CD-ROM, DVD-ROM, TV tuner card, or MPEG card. Front Panel Audio Header (9-pin HD_AUDIO1) (see p.10, No. 22) GND PRESENCE# MIC_RET OUT_RET 1 OUT2_L J_SENSE OUT2_R MIC2_R MIC2_L 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. 19