ASRock X299 OC Formula User Manual - Page 33
Power LED and Speaker, USB 3.1 Gen1 Header
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X299 OC Formula Power LED and Speaker Header (7-pin SPK_PLED1) (see p.8, No. 31) SPEAKER DUMMY DUMMY +5V 1 PLED+ PLED+ PLED- Please connect the chassis power LED and the chassis speaker to this header. Serial ATA3 Connectors (SATA3_0_1: see p.8, No. 25) (SATA3_2_3: see p.8, No. 26) (SATA3_4_5: see p.8, No. 27) (SATA3_A1_A2: see p.8, No. 23) SATA3_4 SATA3_2 SATA3_0 SATA3_A1 SATA3_5 SATA3_3 SATA3_1 SATA3_A2 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 Intel® X299 SATA ports (SATA3_0~5) for your bootable devices. * If M2_1 is occupied by a SATA-type M.2 device, SATA3_0 will be disabled. * If M2_2 is occupied by a SATA-type M.2 device, SATA3_5 will be disabled. USB 2.0 Headers (9-pin USB3_4) (see p.8, No. 33) (9-pin USB5_6) (see p.8, No. 34) 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 3.1 Gen1 Header (19-pin USB3_5_6) (see p.8, No. 21) 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 is one header on this motherboard. Each USB 3.1 Gen1 header can support two ports. English 27