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Power LED Header
(3-pin PLED1)
(see p.2 No. 20)
Chassis, Power and SB Fan Connectors
(4-pin CHA_FAN1)
(see p.2 No. 23)
(3-pin CHA_FAN2)
(see p.2 No. 10)
(3-pin CHA_FAN3)
(see p.2 No. 22)
(3-pin PWR_FAN1)
(see p.2 No. 7)
(3-pin SB_FAN1)
(see p.2 No. 13)
CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.2 No. 6)
(3-pin CPU_FAN2)
(see p.2 No. 4)
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CHA_FAN_SPEED
FAN_SPEED_CONTROL
GND
+12V
CHA_FAN_SPEED
GND
+12V
CHA_FAN_SPEED
GND
+12V
PWR_FAN_SPEED
SB_FAN_SPEED
+12V
FAN_SPEED_CONTROL
CPU_FAN_SPEED
Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin
CPU fan still can work successfully even without the fan speed control function. If
you plan to connect the 3-Pin CPU fan to the CPU fan connector on this
motherboard, please connect it to Pin 1-3.
CPU_FAN_SPEED
ASRock X79 Extreme3 Motherboard
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Please connect the chassis
power LED to this header to
indicate system power status.
The LED is on when the system
is operating. The LED keeps
blinking in S1 state. The LED is
off in S3/S4 state or S5 state
(power off).
Please connect the fan cables
to the fan connectors and
match the black wire to the
ground pin. CHA_FAN1,
CHA_FAN2 and CHA_FAN3
support Fan Control. SB_FAN1
Supports Quiet Fan.
GND
Please connect the CPU fan
cable to the connector and
match the black wire to the
ground pin.
1
2
3
4
Pin 1-3 Connected
3-Pin Fan Installation
35
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