ASRock H77M Quick Installation Guide - Page 29

USB 3.0 Header (19-pin USB3_0_1) (see p.2, No. 7) IntA_P0_D+ IntA_P0_D- GND IntA_P0_SSTX+ IntA_P0_SSTXGND IntA_P0_SSRX+ IntA_P0_SSRXVbus 1 Vbus IntA_P1_SSRXIntA_P1_SSRX+ GND IntA_P1_SSTXIntA_P1_SSTX+ GND IntA_P1_DIntA_P1_D+ DUMMY Infrared Module Header (5-pin IR1) (see p.2, No. 25) IRTX +5VSB DUMMY 1 GND IRRX Consumer Infrared Module Header (4-pin CIR1) (see p.2 No. 20) 1 GND IRTX IRRX ATX+5VSB 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. This header supports an optional wireless transmitting and receiving infrared module. This header can be used to connect the remote controller receiver. Print Port Header (25-pin LPT1) (see p.2 No. 23) AFD# ERROR# PINIT# SLIN# GND 1 SPD7 SPD6 ACK# SPD5 BUSY SPD4 PE SPD3 SLCT SPD2 SPD1 SPD0 STB# This is an interface for print port cable that allows convenient connection of printer devices. Front Panel Audio Header (9-pin HD_AUDIO1) (see p.2, 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). English 29 ASRock H77M Motherboard