ASRock Z390 Phantom Gaming-ITX/ac User Manual - Page 31
CPU/Water Pump Fan, pin CPU_OPT/W
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CPU/Water Pump Fan FAN_SPEED This motherboard FAN_VOLTAGE_CONTROL Connector GND FAN_SPEED_CONTROL provides a 4-Pin water (4-pin CPU_OPT/W_ cooling CPU fan PUMP) connector. If you plan (see p.7, No. 4) to connect a 3-Pin CPU water cooler 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. ATX 12V Power Connector (8-pin ATX12V1) (see p.7, No. 2) 8 5 This motherboard pro- vides a 8-pin ATX 12V 4 1 power connector. To use a 4-pin ATX power supply, please plug it along Pin 1 and Pin 5. Chassis Intrusion Header (2-pin CI1) (see p.7, No. 14) 1 GND Signal This motherboard supports CASE OPEN detection feature that detects if the chassis cove has been removed. This feature requires a chassis with chassis intrusion detection design. English 24