ASROCK 990FX Extreme9 Handbuch Seite 30

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Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.2 No. 19)
Power LED Header
(3-pin PLED1)
(see p.2 No. 30)
Chassis and Power Fan Connectors
(4-pin CHA_FAN1)
(see p.2 No. 20)
(3-pin CHA_FAN2)
(see p.2 No. 6)
(3-pin CHA_FAN3)
(see p.2 No. 24)
(3-pin PWR_FAN1)
(see p.2 No. 9)
CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.2 No. 4)
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.
30
ASRock 990FX Extreme9 Motherboard
manuals search engine
Please connect the chassis
1
speaker to this header.
SPEAKER
DUMMY
+5V DUMMY
Please connect the chassis
power LED to this header to
1
PLED-
indicate system power status.
PLED+
PLED+
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
FAN_SPEED_CONTROL
+12V
ground pin. CHA_FAN1/2/3 fan
CHA_FAN_SPEED
speed can be controlled through
GND
+12V UEFI or AXTU.
CHA_FAN_SPEED
GND
+12V
CHA_FAN_SPEED
+12V
GND PWR_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