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Power LED Header
(3-pin PLED1)
(see p.2, No. 19)
Chassis and Power Fan Connectors
(see p.2, No. 22)
(see p.2, No. 38)
(see p.2, No. 39)
(see p.2, No. 4)
CPU Fan Connectors
(see p.2, No. 5)
ATX Power Connector
(24-pin ATXPWR1)
(see p.2, No. 8)
36
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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.
ASRock Z77 Extreme4 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/S3 state. The
LED is off in 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.
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
Please connect an ATX power
12
24
supply to this connector.
1
13
3-Pin Fan Installation
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