11
These connectors allow you to connect an ATX power supply.
24
131
12
ATX_PWR1
1 +3.3V 13 +3.3V
2 +3.3V 14 -12V
3 Ground 15 Ground
4 +5V 16 PS-ON#
5 Ground 17 Ground
6 +5V 18 Ground
7 Ground 19 Ground
8 PWR OK 20 Res
9 5VSB 21 +5V
10 +12V 22 +5V
11 +12V 23 +5V
12 +3.3V 24 Ground
Make sure that all the power cables are securely connected to a proper ATX power
supply to ensure stable operation of the motherboard.
3
2 1
4
CPU_PWR1
1 Ground 3 +12V
2 Ground 4 +12V
PWM Mode fan connectors provide constant 12V output and adjust fan speed with
speed control signal. When you plug a 3-pin (Non-PWM) fan to a fan connector in
PWM mode, the fan speed will always maintain at 100%, which might create a lot of
noise.
You can adjust fan speed in .
1
CPU_FAN1/ SYS_FAN1
1 Ground 2 +12V
3 Sense 4 Speed Control Signal
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