Gigabyte X299 AORUS Ultra Gaming Users Manual - Page 28

CPU_FAN/SYS_FAN1/2/3/4 Fan Headers, CPU_OPT Water Cooling CPU Fan Header

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3/4) CPU_FAN/SYS_FAN1/2/3/4 (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. 1 CPU_FAN 1 SYS_FAN1/SYS_FAN3 Pin No. 1 2 3 4 Definition GND Voltage Speed Control Sense PWM Speed Control 11 SYS_FAN2 SYS_FAN4 5) CPU_OPT (Water Cooling CPU Fan Header) The fan 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. Pin No. Definition 1 1 GND 2 Voltage Speed Control 3 Sense 4 PWM Speed Control •• 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. Hardware Installation - 28 -

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- 28 -
Hardware Installation
•
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.
3/4) CPU_FAN/SYS_FAN1/2/3/4 (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.
CPU_FAN
SYS_FAN2
1
1
1
1
SYS_FAN4
SYS_FAN1/SYS_FAN3
Pin No.
Definition
1
GND
2
Voltage Speed Control
3
Sense
4
PWM Speed Control
5)
CPU_OPT (Water Cooling CPU Fan Header)
The fan 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.
1
Pin No.
Definition
1
GND
2
Voltage Speed Control
3
Sense
4
PWM Speed Control