ASRock A55 Pro3 User Manual - Page 31

2.10 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 ATA2 Connectors (SATA2_1: see p.12, No. 21) (SATA2_2: see p.12, No. 20) (SATA2_3: see p.12, No. 17) (SATA2_4: see p.12, No. 19) SATA2_1 (SATA2_5: see p.12, No. 18) SATA2_3 SATA2_2 SATA2_5 SATA2_4 These ve Serial ATA2 (SATA2) connectors support SATA data cables for internal storage devices. The current SATA2 interface allows up to 3.0 Gb/s data transfer rate. SATA3_1 SATA3_2 Serial ATA3 Connectors (SATA3_1: see p.12, No. 12) (SATA3_2: see p.12, No. 13) Serial ATA (SATA) Data Cable (Optional) USB 2.0 Headers (9-pin USB6_7) (see p.12 No. 26) (9-pin USB8_9) (see p.12 No. 25) (9-pin USB10_11) (see p.12 No. 23) USB_PWR P-9 P+9 GND DUMMY 1 GND P+8 P-8 USB_PWR USB_PWR P-11 P+11 GND DUMMY 1 GND P+10 P-10 USB_PWR 31 These two 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. Either end of the SATA data cable can be connected to the SATA / SATAII / SATA3 hard disk or the SATAII / SATA3 connector on this motherboard. Besides four default USB 2.0 ports on the I/O panel, there are three USB 2.0 headers on this motherboard. Each USB 2.0 header can support two USB 2.0 ports.