ASRock M3A790GXH/USB3 User Manual - Page 34
motherboard. Each USB 2.0
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Serial ATA (SATA) Data Cable (Optional) Serial ATA (SATA) Power Cable (Optional) connect to the SATA HDD power connector connect to the power supply USB 2.0 Headers (9-pin USB10_11) (see p.12 No. 27) (9-pin USB8_9) (see p.12 No. 29) (9-pin USB6_7) (see p.12 No. 28) USB_PWR P-11 P+11 GND DUMMY 1 GND P+10 P-10 USB_PWR USB_PWR P-9 P+9 GND DUMMY 1 GND P+8 P-8 USB_PWR USB_PWR P-7 P+7 GND DUMMY 1 GND P+6 P-6 USB_PWR Infrared Module Header (5-pin IR1) (see p.12 No. 24) IRTX +5V DUMMY 1 GND IRRX Internal Audio Connectors (4-pin CD1) (CD1: see p.12 No. 34) CD1 CD-L GND GND CD-R 34 Either end of the SATA data cable can be connected to the SATA / SATAII hard disk or the SATAII connector on this motherboard. You can also use the SATA data cable to connect SATAII_6 connector and eSATAII connector. Please connect the black end of SATA power cable to the power connector on each drive. Then connect the white end of SATA power cable to the power connector of the power supply. Besides six 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. This header supports an optional wireless transmitting and receiving infrared module. This connector allows you to receive stereo audio input from sound sources such as a CD-ROM, DVD-ROM, TV tuner card, or MPEG card.