ASRock B550 Taichi User Manual - Page 37
Power LED and Speaker
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Power LED and Speaker Header (7-pin SPK_PLED1) (see p.8, No. 26) Serial ATA3 Connectors (SATA3_1_2: see p.8, No. 15) (SATA3_3_4: see p.8, No. 16) (SATA3_A1_A2: see p.8, No. 18) (SATA3_A3_A4: see p.8, No. 17) SPEAKER DUMMY DUMMY +5V 1 PLED+ PLED+ PLED- Please connect the chassis power LED and the chassis speaker to this header. These eight SATA3 connectors support SATA data cables for internal storage devices with up to 6.0 Gb/s data transfer rate. *To minimize the boot time, use AMD B550 SATA ports (SATA3_1) for your SSDs. SATA3_A2 SATA3_A4 SATA3_4 SATA3_2 SATA3_A1 SATA3_A3 SATA3_3 SATA3_1 USB 2.0 Headers (9-pin USB_3_4) (see p.8, No. 25) (9-pin USB_5_6) (see p.8, No. 24) 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 Headers (19-pin USB3_7_8) (see p.8, No. 10) Vbus IntA_PA_SSRXIntA_PA_SSRX+ GND IntA_PA_SSTXIntA_PA_SSTX+ GND IntA_PA_DIntA_PA_D+ Vbus IntA_PB_SSRXIntA_PB_SSRX+ GND IntA_PB_SSTXIntA_PB_SSTX+ GND IntA_PB_DIntA_PB_D+ Dummy 1 There are two headers on this motherboard. Each USB 3.2 Gen1 header can support two ports. (19-pin USB3_5_6) (see p.8, No. 14) 30 1 Dummy IntA_PB_D+ IntA_PB_D- GND IntA_PB_SSTX+ IntA_PB_SSTX- GND IntA_PB_SSRX+ IntA_PB_SSRX- Vbus IntA_PA_D+ IntA_PA_DGND IntA_PA_SSTX+ IntA_PA_SSTXGND IntA_PA_SSRX+ IntA_PA_SSRX- Vbus English