ASRock B660 Pro RS 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 Pro RS CPU Fan Connector (4-pin CPU_FAN1) (see p.6, No. 4) CPU/Water Pump Fan Connector (4-pin CPU_FAN2/WP) (see p.6, No. 5) ATX Power Connector (24-pin ATXPWR1) (see p.6, No. 8) 4 3 21 CPU_FAN_SPEED FAN_SPEED_CONTROL 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. 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. 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) Serial Port Header (9-pin COM1) (see p.6, No. 25) 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. RRXD1 DDTR#1 DDSR#1 CCTS#1 This COM1 header supports a serial port module. 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 21 English
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