ASRock Z97 Pro3 User Manual - Page 31
Quiet Fan connector., ATX Power Connector
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CPU Fan Connectors (4-pin CPU_FAN1) (see p.10, No. 24) (3-pin CPU_FAN2) (see p.10, No. 26) 1 GND This motherboard pro- 2 +12V 3 FAN_SPEED vides a 4-Pin CPU fan 4 FAN_SPEED_CONTROL (Quiet Fan) connector. If you plan to connect a GND FAN_VOLTAGE FAN_SPEED 3-Pin CPU fan, please connect it to Pin 1-3. ATX Power Connector (24-pin ATXPWR1) (see p.10, No. 5) 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.10, No. 2) 8 5 This motherboard pro- vides an 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. PCIe Power Connector (4-pin PCIE_PWR1) (see p.10, No. 25) Please connect a 4 pin molex power cable to this connector when more than three graphics cards are installed. Serial Port Header (9-pin COM1) (see p.10, No. 22) This COM1 header supports a serial port module. English 26