ASRock H81 Pro BTC R2.0 User Manual - Page 24
Front Panel Audio Header, Serial ATA3 Connectors - manual
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H81 Pro BTC R2.0 Serial ATA2 Connectors (SATA2_0: see p.6, No. 11) (SATA2_1: see p.6, No. 13) SATA2_0 SATA2_1 These two SATA2 connectors support SATA data cables for internal storage devices with up to 3.0 Gb/s data transfer rate. Serial ATA3 Connectors (SATA3_0: see p.6, No. 12) (SATA3_1: see p.6, No. 14) SATA3_0 SATA3_1 These two SATA3 connectors support SATA data cables for internal storage devices with up to 6.0 Gb/s data transfer rate. USB 2.0 Headers (9-pin USB_2_3) (see p.6, No. 17) (9-pin USB_4_5) (see p.6, No. 16) USB_PWR PP+ GND DUMMY 1 GND P+ PUSB_PWR Besides two USB 2.0 ports on the I/O panel, there are two headers on this motherboard. Each USB 2.0 header can support two ports. Front Panel Audio Header (9-pin HD_AUDIO1) (see p.6, No. 22) GND PRESENCE# MIC_RET OUT_RET 1 OUT2_L J_SENSE OUT2_R MIC2_R MIC2_L This header is for connecting audio devices to the front audio panel. 1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must support HDA to function correctly. Please follow the instructions in our manual and chassis manual to install your system. 2. If you use an AC'97 audio panel, please install it to the front panel audio header by the steps 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 the HD audio panel only. You don't need to connect them for the AC'97 audio panel. E. To activate the front mic, go to the "FrontMic" Tab in the Realtek Control panel and adjust "Recording Volume". 19 English