ASRock 970 Extreme3 Quick Installation Guide - Page 22

2.9 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.2, No. 17) (SATA3_2: see p.2, No. 18) (SATA3_3: see p.2, No. 16) (SATA3_4: see p.2, No. 19) SATA3_5 (SATA3_5: see p.2, No. 20) SATA3_3 SATA3_4 SATA3_1 SATA3_2 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. Serial ATA (SATA) Data Cable (Optional) Either end of the SATA data cable can be connected to the SATA / SATAII / SATA3 hard disk or the SATA3 connector on this motherboard. USB 2.0 Headers (9-pin USB_4_5) (see p.2 No. 26) (9-pin USB_6_7) (see p.2 No. 27) 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. English (9-pin USB_8_9) (see p.2 No. 28) Infrared Module Header (5-pin IR1) (see p.2 No. 29) USB_PWR P-9 P+9 GND DUMMY 1 GND P+8 P-8 USB_PWR IRTX +5VSB DUMMY 1 GND IRRX This header supports an optional wireless transmitting and receiving infrared module. 22 ASRock 970 Extreme3 Motherboard