Gigabyte X299 AORUS Ultra Gaming Users Manual - Page 29
SYS_FAN5_PUMP System Fan/Water Cooling Pump Header
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6) SYS_FAN5_PUMP (System 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. For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis. The header also provides speed control for a water cooling pump, refer to Chapter 2, "BIOS Setup," "M.I.T.," for more information Pin No. Definition 1 GND 1 2 Voltage Speed Control 3 Sense 4 PWM Speed Control 7) HPWR_FAN_PUMP (3 Amp 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. The header also provides speed control for a water cooling pump, refer to Chapter 2, "BIOS Setup," "M.I.T.," for more information Pin No. Definition 1 GND 2 Voltage Speed Control 1 3 Sense 4 PWM Speed Control Because a 3 Amp fan can run very fast, DO NOT touch it when it is operating to avoid injury. - 29 - Hardware Installation