ASRock X299 OC Formula User Manual - Page 35
pin CHA_FAN3/W, pin CPU_OPT/W
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X299 OC Formula Chassis Optional/Water Pump Fan Connector (4-pin CHA_FAN3/W_ PUMP) (see p.8, No. 30) 4 3 21 FAN_SPEED_CONTROL CHA_FAN_SPEED FAN_VOLTAGE GND This motherboard provides a 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.8, No. 8) FAN_SPEED_CONTROL CPU_FAN_SPEED FAN_VOLTAGE GND 1 2 34 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. CPU Optional/Water Pump Fan Connector (4-pin CPU_OPT/W_ PUMP) (see p.8, No. 7) FAN_SPEED_CONTROL CPU_FAN_SPEED FAN_VOLTAGE GND 1 2 34 This motherboard provides a 4-Pin water cooling CPU fan connector. If you plan to connect a 3-Pin CPU water cooler fan, please connect it to Pin 1-3. ATX Power Connector (24-pin ATXPWR1) (see p.8, No. 20) 12 24 ATX 12V Power Connector (8-pin ATX12V1) (see p.8, No. 2) 1 13 8 5 4 1 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. This motherboard provides an 8-pin ATX 12V power connector. To use a 4-pin ATX power supply, please plug it along Pin 1 and Pin 5. English 29