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Chassis Fan Connector
(3-pin CHA_FAN1)
(see p.2 No. 16)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.2 No. 5)
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.
ATX Power Connector
(24-pin ATXPWR1)
(see p.2 No. 2)
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 Connector
(4-pin ATX12V1)
(see p.2 No. 3)
Serial port Header
(9-pin COM1)
(see p.2 No. 9)
ASRock 4CoreN73PV-HD720p Motherboard
Please connect a chassis fan
cable to this connector and
match the black wire to the
ground pin.
Please connect a CPU fan cable
4 3 2 1
to this connector and match
the black wire to the ground pin.
Pin 1-3 Connected
3-Pin Fan Installation
24
Please connect an ATX power
12
supply to this connector.
13
1
20-Pin ATX Power Supply Installation
Please connect an ATX 12V
power supply to this connector.
This COM1 header
supports a serial port module.
24
12
13
1
2 3
2 3
2 3
2 3
2 3
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