Cpu Fan Connectors - ASROCK Z77 OC Formula User Manual

CPU Fan Connectors

(4-pin CPU_FAN1)
(see p.14, 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.
(3-pin CPU_FAN2)
(see p.14, No. 5)
ATX Power Connector
(24-pin ATXPWR1)
(see p.14, No. 14)
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.
ATX 12V Power Connectors
(8-pin ATX12V1)
(see p.14, No. 2)
Though this motherboard provides 8-pin ATX 12V power connector, it can still work
if you adopt a traditional 4-pin ATX 12V power supply. To use the 4-pin ATX power
supply, please plug your power supply along with Pin 1 and Pin 5.
(4-pin ATX12V2)
(see p.14, No. 1)
4 3 2 1
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
12 24
1 13
20-Pin ATX Power Supply Installation
8 5
4 1
4-Pin ATX 12V Power Supply Installation
44
Please connect the CPU fan
cable to the connector and
match the black wire to the
ground pin.
Pin 1-3 Connected
3-Pin Fan Installation
Please connect an ATX power
supply to this connector.
Please connect the ATX 12V
power supplies to the
connectors.
8
4
12 24
1 13
5
1