ASROCK X79 Extreme9 User Manual page 51

Power LED Header
(3-pin PLED1)
(see p.12 No. 31)
Chassis, Power and SB Fan Connectors
(4-pin CHA_FAN1)
(see p.12 No. 26)
FAN_SPEED_CONTROL
(3-pin CHA_FAN2)
(see p.12 No. 27)
(3-pin CHA_FAN3)
(see p.12 No. 29)
(3-pin PWR_FAN1)
(see p.12 No. 1)
(3-pin SB_FAN1)
(see p.12 No. 16)
CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.12 No. 9)
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.
(3-pin CPU_FAN2)
(see p.12 No. 12)
Please connect the chassis
1
power LED to this header to
PLED-
PLED+
PLED+
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
GND
+12V
CHA_FAN_SPEED
ground pin. CHA_FAN1,
CHA_FAN2 and CHA_FAN3
support FAN control. SB_FAN1
supports Quiet FAN.
GND
+12V
SB_FAN_SPEED
Please connect the CPU fan
FAN_SPEED_CONTROL
CPU_FAN_SPEED
cable to the connector and
+12V
GND
match the black wire to the
ground pin.
1 2 3 4
Pin 1-3 Connected
3-Pin Fan Installation
GND
+12V
CPU_FAN_SPEED
51