ASRock Fatal1ty B450 Gaming-ITX/ac User Manual - Page 41
pin CHA_FAN1/WP, Chassis/Water Pump Fan - manual
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Fatal1ty B450 Gaming-ITX/ac Series 1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must support HDA to function correctly. Please follow the instructions in our manual and chassis manual to install your system. 2. If you use an AC'97 audio panel, please install it to the front panel audio header by the steps below: A. Connect Mic_IN (MIC) to MIC2_L. B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L. C. Connect Ground (GND) to Ground (GND). D. MIC_RET and OUT_RET are for the HD audio panel only. You don't need to connect them for the AC'97 audio panel. E. To activate the front mic, go to the "FrontMic" Tab in the Realtek Control panel and adjust "Recording Volume". Chassis/Water Pump Fan Connectors (4-pin CHA_FAN1/WP) (see p.7, No. 18) (4-pin CHA_FAN2/WP) (see p.7, No. 7) GND FAN_VOLTAGE_CONTROL FAN_SPEED FAN_SPEED_CONTROL This motherboard provides three 4-Pin water cooling chassis fan connectors. If you plan to connect a 3-Pin chassis water cooler fan, please connect it to Pin 1-3. CPU Fan Connector (4-pin CPU_FAN1) (see p.7, No. 5) 4 3 21 GND FAN_VOLTAGE CPU_FAN_SPEED FAN_SPEED_CONTROL This motherboard provides a 4-Pin CPU fan (Quiet Fan) connector. If you plan to connect a 3-Pin CPU fan, please connect it to Pin 1-3. ATX Power Connector (24-pin ATXPWR1) (see p.7, No. 8) 12 24 1 13 This motherboard provides a 24-pin ATX power connector. To use a 20-pin ATX power supply, please plug it along Pin 1 and Pin 13. English 33