ASRock B75 Pro3 User Manual - Page 36

Please connect an ATX 12V

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(3-pin CPU_FAN2) (see p.13, No. 2) ATX Power Connector 12 24 (24-pin ATXPWR1) (see p.13, No. 7) Please connect an ATX power supply to this connector. 1 13 Though this motherboard provides 24-pin ATX power connector, 12 24 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. 20-Pin ATX Power Supply Installation 1 13 ATX 12V Power Connector 8 (8-pin ATX12V1) (see p.13, No. 4) 4 5 Please connect an ATX 12V power supply to this connector. 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. 8 5 4-Pin ATX 12V Power Supply Installation 4 1 Serial port Header (9-pin COM1) (see p.13, No. 28) This COM1 header supports a serial port module. 36

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36
ATX Power Connector
Please connect an ATX power
(24-pin ATXPWR1)
supply to this connector.
(see p.13,
No. 7)
20-Pin ATX Power Supply Installation
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.
12
1
24
13
12
1
24
13
ATX 12V Power Connector
Please connect an ATX 12V
(8-pin
ATX12V1)
power supply to this connector.
(see p.13,
No. 4)
Serial port Header
This COM1 header supports a
(9-pin COM1)
serial port module.
(see p.13,
No. 28)
4
1
8
5
4-Pin ATX 12V Power Supply Installation
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.
8
5
4
1
(3-pin CPU_FAN2)
(see p.13,
No. 2)