ASRock K8A780LM User Manual - Page 23

USB 2.0 Headers (9-pin USB10_11) (see p.10 No. 22) (9-pin USB8_9) (see p.10 No. 21) (9-pin USB6_7) (see p.10 No. 20) (9-pin USB4_5) (see p.10 No. 19) 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 USB_PWR P-5 P+5 GND DUMMY 1 GND P+4 P-4 USB_PWR Infrared Module Header (5-pin IR1) (see p.10 No. 23) Internal Audio Connectors (4-pin CD1) (CD1: see p.10 No. 26) IRTX +5V DUMMY 1 GND IRRX CD1 Front Panel Audio Header (9-pin HD_AUDIO1) (see p.10, No. 25) GND PRESENCE# MIC_RET OUT_RET 1 OUT2_L J_SENSE OUT2_R MIC2_R MIC2_L Besides four default USB 2.0 ports on the I/O panel, there are four 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. This is an interface for the front panel audio cable that allows convenient connection and control of audio devices. 23