ASRock 939A8X-M User Manual - Page 17

Serial ATA (SATA) Power Cable (Optional) connect to the SATA HDD power connector connect to the power supply Please connect the black end of SATA power cable to the power connector on the drive. Then connect the white end of SATA power cable to the power connector of the power supply. USB 2.0 Header (9-pin USB67) (see p.8, No. 14) USB_PWR P-7 P+7 GND DUMMY 1 GND P+6 P-6 USB_PWR ASRock 8CH I/O provides you 4 ready-to-use USB 2.0 ports on the rear panel. If the rear USB ports are not sufficient, this USB 2.0 header is available to support 2 extra USB 2.0 ports. USB 2.0 Header (9-pin USB_H45) (see p.8, No. 15) USB_PWR P-5 P+5 GND DUMMY 1 GND P+4 P-4 USB_PWR ASRock 8CH I/OTM provides you 4 ready-to-use USB 2.0 ports on the rear panel. If the rear USB ports are not sufficient, this USB 2.0 header is available to support 2 extra USB 2.0 ports. Infrared Module Header (5-pin IR1) (see p.8, No. 2) IRTX +5V DUMMY 1 GND IRRX This header supports an optional wireless transmitting and receiving infrared module. Internal Audio Connectors (4-pin CD1) (CD1: see p.8, No. 24) CD-R GND GND CD-L CD1 These connectors allow you to receive stereo audio input from sound sources such as a CD-ROM, DVD-ROM, TV tuner card, or MPEG card. Front Panel Audio Header (9-pin AUDIO1) (see p.8, No. 21) GND +5VA BACKOUT-R BACKOUT-L 1 A U D - O U T- L GND A U D - O U T- R MIC-POWER MIC This is an interface for the front panel audio cable that allows convenient connection and control of audio devices. 17