ASRock C621A WS Quick Installation Guide - Page 31

C621A WS USB 3.2 Gen1 Header (19-pin USB3_5_6) (see p.1, No. 6) IntA_PA_D+ IntA_PA_DGND IntA_PA_SSTX+ IntA_PA_SSTX- GND IntA_PA_SSRX+ IntA_PA_SSRXVbus Besides four default USB 3.2 Gen1 ports on the I/O panel, there is one USB 3.2 Gen1 header on this motherboard. This USB 3.2 Gen1 header can support two USB 3.2 Gen1 1 ports. Vbus IntA_PB_SSRXIntA_PB_SSRX+ GND IntA_PB_SSTX- IntA_PBA_SSTX+ GND IntA_PB_DIntA_PB_D+ Dummy System Fan Connectors (6-pin FAN1) (6-pin FAN2) (6-pin FAN3) (6-pin FAN4) (6-pin FAN5) (see p.1, No. 3, 8, 13, 14, 19) 65 4321 GND FAN_VOLTAGE FAN_SPEED FAN_SPEED_CONTROL SENSOR NC Please connect fan cables to the fan connectors and match the black wire to the ground pin. All fans support Fan Control. Front Panel Type C USB 3.2 Gen2 Headers (20-pin USB31_TC_1) see p.1, No. 23) (20-pin USB31_TC_2) (see p.1, No. 24) USB 2.0 Connector (USB_1) (see p.1, No. 34) There are two Front Panel Type C USB 3.2 Gen2 Header on this motherboard. These headers are used for connecting USB 3.2 Gen2 modules for additional USB 3.2 Gen2 ports. *2 Type-C USB headers (USB31_TC1/ USB31_TC2) are shared with 2 SATA 7-pin headers (SSATA_2/SSATA_3) (BOM option). There is one vertical USB 2.0 port on this motherboard. English 29