ASRock FM2A78 Pro4 User Manual - Page 26

2.6 Onboard Headers and Connectors Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage of the motherboard! Serial ATA3 Connectors (SATA3_1: see p.11, No. 11) (SATA3_2: see p.11, No. 10) (SATA3_3: see p.11, No. 12) (SATA3_4: see p.11, No. 9) (SATA3_5: see p.11, No. 13) SATA3_5 SATA3_4 SATA3_2 SATA3_3 SATA3_1 These five Serial ATA3 (SATA3) connectors support SATA data cables for internal storage devices. The current SATA3 interface allows up to 6.0 Gb/s data transfer rate. USB 2.0 Headers (9-pin USB_11_12) (see p.11 No. 21) (9-pin USB_13_14) (see p.11 No. 20) USB_PWR P-12 P+12 GND DUMMY 1 GND P+11 P-11 USB_PWR USB_PWR P-14 P+14 GND DUMMY 1 GND P+13 P-13 USB_PWR Besides six default USB 2.0 ports on the I/O panel, there are two USB 2.0 headers on this motherboard. Each USB 2.0 header can support two USB 2.0 ports. USB 3.0 Header (19-pin USB3_9_10) (see p.11, No. 8) 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 Besides two default USB 3.0 ports on the I/O panel, there is one USB 3.0 header on this motherboard. This USB 3.0 header can support two USB 3.0 ports. 22