Gigabyte B650I AORUS ULTRA User Manual - Page 21

B_ 3/4) CPU_FAN/SYS_FAN1 (Note 1) (Fan Headers) All fan headers on this motherboard are 4-pin. Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is the ground wire). The speed control function requires the use of a fan with fan speed control design. For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis. F_USB3 F_USB30 3 1 CPU_FAN Fan power extension cable _ U Pin No. 1 2 3 4 Definition GND Voltage Speed Control Sense PWM Speed Control _F _0 F F _3 1 S S_F B_ SYS_FAN SYS_FAN1 B _3 U _ S F_ S_ _ S S_F B_ S F_ _ _ _B F_USB3 B U _ _ _ _B _ S_ F _0 _F _0 F 5) CPU_OPT (CPU Fan/Water Cooling Pump Header) The fan/pump header is 4-pin and possesses a foolproof insertion design. Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is the ground wire). The speed control function requires the use of a fan with fan speed control design. _ Fan power extension cable CPU_OPT F Pin No. 1 2 3 4 Definition GND Voltage Speed Control Sense PWM Speed Control 1 F_USB30 3 _ _S S_ _ B _U _ B F_USB3 F Connector Maximum Current Maximum Power CPU_FAN 2A 24W SYS_FAN1~2 2A 24W CPU_OPT 2A 24W __ 3 •• Be sure to connect fan cables to the fan headers to prevent your CPU and system from overheating. Overheating may result in damage to the CPU or the system may hang. •• These fan headers are not configuration jumper blocks. Do not place a jumper cap on the headers. _ (Note 1) The connector is on the front of GC-B650I FRONT CARD. - 21 - B_ USB 0_ B _ _S