ASRock Z170 Pro4/D3 User Manual - Page 27
pin CPU_FAN1, pin ATX12V1
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Chassis Fan Connectors (4-pin CHA_FAN1) (see p.6, No. 9) GND FAN_VOLTAGE CHA_FAN_SPEED FAN_SPEED_CONTROL Please connect fan cables to the fan connector and match the black wire to the ground pin. (3-pin CHA_FAN2) (see p.6, No. 3) GND FAN_VOLTAGE CHA_FAN_SPEED CPU Fan Connector (4-pin CPU_FAN1) (see p.6, No. 2) FAN_VOLTAGE This motherboard pro- GND CPU_FAN_SPEED FAN_SPEED_CONTROL vides a 4-Pin CPU fan (Quiet Fan) connector. 1 2 34 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.6, No. 6) 1 13 12 24 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.6, No. 1) Serial Port Header (9-pin COM1) (see p.6, No. 19) 8 5 This motherboard pro- vides a 8-pin ATX 12V 4 1 power connector. RRXD1 DDTR#1 DDSR#1 CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 The COM1 header supports a serial port module. 22 English