ASRock B660 Steel Legend User Manual - Page 28
Warning: Please make, sure that the power cable, connected is for the CPU, and not the graphics card.
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B660 Steel Legend CPU Fan Connector (4-pin CPU_FAN1) (see p.6, No. 2) FAN_SPEED_CONTROL CPU_FAN_SPEED +12V GND 1 2 3 4 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/Water Pump Fan Connector (4-pin CPU_FAN2/WP) (see p.6, No. 6) 4 3 21 GND FAN_VOLTAGE CPU_FAN_SPEED FAN_SPEED_CONTROL 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.6, No. 9) 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.6, No. 1) 8 5 This motherboard provides a 8-pin ATX 12V power connector. To use a 4 1 4-pin ATX power supply, please plug it along Pin 1 and Pin 5. *Warning: Please make sure that the power cable connected is for the CPU and not the graphics card. Do not plug the PCIe power cable to this connector. English 21