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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.


optimum heat dissipation, it is recommended that a system fan be installed inside the chassis.
CPU_FAN
G.QBOFM
1
Pin No. 
1 GND
2 Voltage Speed Control
3 Sense
4
G.QBOFM
G.QBOFM
1
1
SYS_FAN3/4SYS_FAN1/2
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


control design.
Pin No. 
1 GND
2 Voltage Speed Control
3 Sense
4
G.QBOFM
1
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.

G.QBOFM
1
SYS_FAN5_PUMP SYS_FAN6_PUMP
6) SYS_FAN5_PUMP/SYS_FAN6_PUMP (System Fan/Water Cooling Pump Headers)
 

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 headers also provides

G.QBOFM
1
Pin No. 
1 GND
2 Voltage Speed Control
3 Sense
4
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