ASRock A520M/ac Quick Installation Guide - Page 31

Chassis Intrusion and Speaker Header (7-pin SPK_CI1) (see p.1, No. 9) Serial ATA3 Connectors Vertical: (SATA3_1: see p.1, No. 7) (Upper) (SATA3_2: see p.1, No. 7) (Lower) (SATA3_3: see p.1, No. 6) (Upper) (SATA3_4: see p.1, No. 6) (Lower) USB 2.0 Headers (9-pin USB_3_4) (see p.1, No. 11) (9-pin USB_5_6) (see p.1, No. 12) SPEAKER DUMMY DUMMY +5V 1 SIGNAL GND DUMMY Please connect the chassis intrusion and the chassis speaker to this header. These four SATA3 connectors support SATA data cables for internal storage devices with up to 6.0 Gb/s data transfer rate. SATA3_1 SATA3_3 SATA3_2 SATA3_4 USB_PWR PP+ GND DUMMY 1 GND P+ PUSB_PWR There are two headers on this motherboard. Each USB 2.0 header can support two ports. USB 3.2 Gen1 Header (19-pin USB3_5_6) (see p.1, No. 5) Front Panel Audio Header (9-pin HD_AUDIO1) (see p.1, No. 15) 28 Vbus IntA_PA_SSRXIntA_PA_SSRX+ GND IntA_PA_SSTXIntA_PA_SSTX+ GND IntA_PA_DIntA_PA_D+ Vbus There is one header on IntA_PB_SSRX- this IntA_PB_SSRX+ motherboard. This GND USB IntA_PB_SSTX- 3.2 Gen1 header can IntA_PB_SSTX+ GND support two ports. IntA_PB_DIntA_PB_D+ Dummy 1 GND PRESENCE# This header is for MIC_RET OUT_RET connecting audio devices to the front audio panel. 1 OUT2_L J_SENSE OUT2_R MIC2_R MIC2_L English