ASRock H81TM-ITX User Manual - Page 27
Signal, 3W Audio AMP Output
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H81TM-ITX Analog Surround Audio Header (17-pin HD_AUDIO2) (see p.9, No. 20) Signal Signal PIN PIN Name Name 18 SENSE 17 KEY 16 LFE 15 A_GND 14 A_GND 13 Center 12 Surr_Rear_R 11 A_GND 10 A_GND 9 Surr_Rear_L 8 Surr_Side_R 7 A_GND 2 1 6 A_GND 5 Surr_Side_L 4 Front_R 3 A_GND 2 A_GND 1 Front_L 3W Audio AMP Output Wafer Header (4-pin SPEAKER1) (see p.9, No. 21) Front_RFront_R+ Front_L+ Front_L- 1 Please connect the chassis speaker to this header. SPDIF Out Connector (2-pin SPDIF_OUT1) (see p.9, No. 18) 1 GND SPDIFOUT Please connect the SPDIF Out connector of a HDMI VGA card to this header with a cable. Chassis Fan Connector (4-pin CHA_FAN1) (see p.9, No. 3) GND +12V CHA_FAN_SPEED FAN_SPEED_CONTROL Please connect fan cable to the fan connector and match the black wire to the ground pin. CPU Fan Connector (4-pin CPU_FAN1) (see p.9, No. 16) FAN_SPEED_CONTROL FAN_SPEED + 12V GN D 4 This motherboard pro3 vides a 4-Pin CPU fan 2 1 (Quiet Fan) connector. If you plan to connect a 3-Pin CPU fan, please connect it to Pin 1-3. English 23
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