Cpu Fan Connectors; Atx Power Connector - ASROCK E3C224 User Manual

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CPU Fan Connectors

(4-pin CPU_FAN1)
(see p.18, 21, 24)
(4-pin CPU_FAN1_2)
(see p.18, 21, 24)
Though this motherboard provides a 4-Pin CPU fan (Quiet Fan)
connector, 3-Pin CPU fans can still work successfully even with-
out the fan speed control function. If you plan to connect a 3-Pin
CPU fan to the CPU fan connector on this motherboard, please
connect it to Pin 1-3.

ATX Power Connector

(24-pin ATXPWR1)
(see p.18, 21, 24)
Though this motherboard provides a 24-pin ATX power connector,
it can still work if you adopt a traditional 20-pin ATX power supply.
To use a 20-pin ATX power supply, please plug your power supply
along Pin 1 and Pin 13.
Though this motherboard provides an 8-pin ATX 12V power con-
nector, it can still work if you adopt a traditional 4-pin ATX 12V
power supply. To use a 4-pin ATX power supply, please plug your
power supply along Pin 1 and Pin 5.
FAN_SPEED_CONTROL
FAN_SPEED
+12V
GND
1
FAN_SPEED
+12V
GND
24
12
20-Pin ATX Power Supply Installation
4-Pin ATX 12V Power Supply Installation
Please connect the CPU fan
cable to the connector and
match the black wire to the
ground pin.
2
3
4
Pin 1-3 Connected
3-Pin Fan Installation
Please connect an ATX pow-
13
er supply to this connector.
1
47
24
13
12
1
5
1
8
4

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