ASRock Fatal1ty Z270 Gaming-ITX/ac User Manual - Page 32
pin CPU_OPT/W, Chassis Intrusion Header
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CPU Optional/Water Pump Fan Connector (4-pin CPU_OPT/W_ PUMP) (see p.7, No. 4) FAN_SPEED This motherboard FAN_VOLTAGE_CONTROL GND FAN_SPEED_CONTROL 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.7, No. 6) 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. 9) GND Signal This motherboard 1 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