ASRock B150 Pro4/D3 User Manual - Page 25
Power LED and Speaker, motherboard. Each USB
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Power LED and Speaker Header (7-pin SPK_PLED1) (see p.6, No. 15) Serial ATA3 Connectors (SATA3_0_2) (see p.6, No. 10) (SATA3_1_3) (see p.6, No. 11) SPEAKER DUMMY DUMMY +5V 1 PLED+ PLED+ PLED- Please connect the chassis power LED and the chassis speaker to this header. These six SATA3 connectors support SATA data cables for internal storage devices with up to 6.0 Gb/s data transfer rate. SATA3_1 SATA3_0 SATA3_3 SATA3_2 (SATA3_4) (see p.6, No. 13) (SATA3_5) (see p.6, No. 14) SATA3_4 SATA3_5 USB 2.0 Headers (9-pin USB2_3) (see p.6, No. 16) (9-pin USB4_5) (see p.6, No. 17) USB 3.0 Header (19-pin USB3_4_5) (see p.6, No. 7) USB_PWR -B +B GND DUMMY 1 GND +A -A USB_PWR There are two headers on this motherboard. Each USB 2.0 header can support two ports. IntA_PA_D+ IntA_PA_DGND IntA_PA_SSTX+ IntA_PA_SSTX- GND IntA_PA_SSRX+ IntA_PA_SSRXVbus Besides four USB 3.0 ports on the I/O panel, there is one header on this motherboard. Each USB 3.0 header can support 1 two ports. Vbus IntA_PB_SSRXIntA_PB_SSRX+ GND IntA_PB_SSTX- IntA_PBA_SSTX+ GND IntA_PB_DIntA_PB_D+ Dummy English 20