ASRock Z77 Extreme9 Quick Installation Guide - Page 46
Consumer Infrared Module Header
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USB 2.0 Headers (9-pin USB2_3) (see p.2, No. 26) (9-pin USB4_5) (see p.2, No. 27) USB_PWR P-3 P+3 GND DUMMY 1 GND P+2 P-2 USB_PWR Besides two default USB 2.0 ports on the I/O panel, there are three USB 2.0 headers on this motherboard. Each USB 2.0 header can support two USB 2.0 ports. (9-pin USB6_7) (see p.2, No. 28) USB 3.0 Header (19-pin USB3_9_10) (see p.2, No. 10) (19-pin USB3_11_12) (see p.2, No. 9) Vbus IntA_P4_SSRXIntA_P4_SSRX+ GND IntA_P4_SSTXIntA_P4_SSTX+ GND IntA_P4_DIntA_P4_D+ Vbus IntA_P4_SSRXIntA_P4_SSRX+ GND IntA_P4_SSTXIntA_P4_SSTX+ GND IntA_P4_DIntA_P4_D+ Vbus IntA_P5_SSRXIntA_P5_SSRX+ GND IntA_P5_SSTXIntA_P5_SSTX+ GND IntA_P5_DIntA_P5_D+ DUMMY Besides eight default USB 3.0 ports on the I/O panel, there are two USB 3.0 headers on this motherboard. Each USB 3.0 header can support two USB 3.0 ports. Vbus IntA_P5_SSRXIntA_P5_SSRX+ GND IntA_P5_SSTXIntA_P5_SSTX+ GND IntA_P5_DIntA_P5_D+ DUMMY Infrared Module Header (5-pin IR1) (see p.2, No. 33) 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.2 No. 29) 1 GND IRTX IRRX ATX+5VSB This header can be used to connect the remote controller receiver. 46 ASRock Z77 Extreme9 Motherboard English