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Chassis and Power Fan Connectors
(4-pin CHA_FAN1)
(see p.2, No. 20)
FAN_SPEED_CONTROL
(3-pin CHA_FAN2)
(see p.2, No. 34)
(3-pin CHA_FAN3)
(see p.2, No. 10)
(3-pin PWR_FAN1)
(see p.2, No. 5)
CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.2, No. 3)
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.2, No. 4)
ATX Power Connector
(24-pin ATXPWR1)
(see p.2, No. 8)
Though this motherboard provides 24-pin ATX power connector,
it can still work if you adopt a traditional 20-pin ATX power supply.
To use the 20-pin ATX power supply, please plug your
power supply along with Pin 1 and Pin 13.
36
ASRock Z77 Extreme3 Motherboard
Please connect the fan cables
to the fan connectors and match
the black wire to the ground pin.
GND
+12V
CHA_FAN_SPEED
CHA_FAN1, CHA_FAN2 and
CHA_FAN3 support Fan
Control.
Please connect the CPU fan
FAN_SPEED_CONTROL
cable to the connector and
CPU_FAN_SPEED
+12V
match the black wire to the
GND
ground pin.
1 2 3 4
Pin 1-3 Connected
3-Pin Fan Installation
GND
+12V
CPU_FAN_SPEED
Please connect an ATX power
12
24
supply to this connector.
1
13
20-Pin ATX Power Supply Installation
12
24
1
13
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