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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.
(3-pin CPU_FAN2)
(see p.2 No. 5)
ATX Power Connector
(24-pin ATXPWR1)
(see p.2 No. 10)
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 Connector
(8-pin ATX12V1)
(see p.2 No. 1)
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.
IEEE 1394 Header
(9-pin FRONT_1394)
(see p.2 No. 25)
3 0
3 0
3 0
3 0
3 0
12
24
1
13
20-Pin ATX Power Supply Installation
8
5
4
1
4-Pin ATX 12V Power Supply Installation
ASRock
890GX Pro3
Motherboard
Pin 1-3 Connected
3-Pin Fan Installation
Please connect an ATX power
supply to this connector.
12
1
Please connect an ATX 12V
power supply to this connector.
8
4
Besides one default IEEE 1394
port on the I/O panel, there is one
IEEE 1394 header
(FRONT_1394) on this
motherboard. This IEEE 1394
header can support one IEEE
1394 port.
24
13
5
1
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