Gigabyte GA-X170-EXTREME ECC User Manual - Page 27

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

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3/4) CPU_FAN/SYS_FAN1/2/3 (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_FAN1/3 1 SYS_FAN2 CPU_FAN: Pin No. Definition 1 GND 2 +12V 3 Sense 4 Speed Control SYS_FAN1/2/3: Pin No. Definition 1 GND 2 Speed Control 3 Sense 4 VCC •• 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. 5) CPU_OPT (Water Cooling CPU Fan Header) The fan header is 4-pin and possesses 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 GND 1 2 Speed Control 3 Sense 4 VCC - 27 - Hardware Installation

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- 27 -
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 (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:
Pin No.
Definition
1
GND
2
+12V
3
Sense
4
Speed Control
1
SYS_FAN1/2/3:
Pin No.
Definition
1
GND
2
Speed Control
3
Sense
4
VCC
SYS_FAN2
1
CPU_FAN
1
SYS_FAN1/3
5)
CPU_OPT (Water Cooling CPU Fan Header)
The fan header is 4-pin and possesses 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
GND
2
Speed Control
3
Sense
4
VCC
1