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. 8)
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.
Serial port Header
(9-pin COM1)
(see p.2 No. 24)
2 0
2 0
2 0
2 0
2 0
Pin 1-3 Connected
3-Pin Fan Installation
Please connect an ATX power
12
24
supply to this connector.
1
13
20-Pin ATX Power Supply Installation
Please connect an ATX 12V
5
1
power supply to this connector.
8
4
4-Pin ATX 12V Power Supply Installation
This COM1 header supports a
serial port module.
ASRock P45DE Motherboard
12
24
1
13
5
1
8
4