ASRock B550 Phantom Gaming 4 User Manual - Page 35
pin CPU_FAN2/WP, ATX Power Connector
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B550 Phantom Gaming 4 CPU Fan / Waterpump Fan Connector (4-pin CPU_FAN2/WP) (see p.7, No. 1) FAN_VOLTAGE This motherboard pro- GND CPU_FAN_SPEED FAN_SPEED_CONTROL vides a 4-Pin CPU fan (Quiet Fan) connector. 1 2 3 4 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.7, 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.7, No. 2) This motherboard 8 5 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. ATX 12V Power Connector (4-pin ATX12V2) (see p.7, No. 3) Please connect an ATX 12V power supply to this connector. *The power supply plug fits into this connector in only one orientation. Serial Port Header (9-pin COM1) (see p.7, No. 29) RRXD1 DDTR#1 DDSR#1 CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 This COM1 header supports a serial port module. English 29