ASRock Z77 Pro3 User Manual - Page 33
Front Panel Audio Header
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(9-pin USB8_9) (see p.13, No. 24) USB 3.0 Header (19-pin USB3_0_1) (see p.13, No. 9) USB_PWR P-9 P+9 GND DUMMY 1 GND P+8 P-8 USB_PWR Vbus IntA_P0_SSRXIntA_P0_SSRX+ GND IntA_P0_SSTXIntA_P0_SSTX+ GND IntA_P0_DIntA_P0_D+ Vbus IntA_P1_SSRXIntA_P1_SSRX+ GND IntA_P1_SSTXIntA_P1_SSTX+ GND IntA_P1_DIntA_P1_D+ DUMMY Besides two default USB 3.0 ports on the I/O panel, there is one USB 3.0 header on this motherboard. This USB 3.0 header can support two USB 3.0 ports. 1 Infrared Module Header (5-pin IR1) (see p.13, No. 26) IRTX +5VSB DUMMY 1 GND IRRX This header supports an optional wireless transmitting and receiving infrared module. Consumer Infrared Module Header (4-pin CIR1) (see p.13, No. 25) 1 GND IRTX IRRX ATX+5VSB This header can be used to connect the remote controller receiver. Front Panel Audio Header (9-pin HD_AUDIO1) (see p.13, No. 30) 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. 33