ASRock H55 Pro User Manual - Page 29
Front Panel Audio Header
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Internal Audio Connectors (4-pin CD1) (CD1: see p.12 No. 33) CD-L GND GND CD-R This connector allows you CD1 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.12 No. 32) GND PRESENCE# MIC_RET OUT_RET 1 OUT2_L J_SENSE OUT2_R MIC2_R MIC2_L 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]. System Panel Header (9-pin PANEL1) (see p.12 No. 24) Chassis Speaker Header (4-pin SPEAKER1) (see p.12 No. 14) Power LED Header (3-pin PLED1) (see p.12 No. 25) PLED+ PLEDPWRBTN# GND 1 DUMMY RESET# GND HDLEDHDLED+ 1 SPEAKER DUMMY DUMMY +5V 1 PLED- PLED+ PLED+ This header accommodates several system front panel functions. Please connect the chassis speaker to this header. Please connect the chassis power LED to this header to indicate system power status. The LED is on when the system is operating. The LED keeps blinking in S1 state. The LED is off in S3/S4 state or S5 state (power off). 29