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1/2/3/4) ATX/P12V_AUX1/P12V_AUX2/P12V_PCIE1/P12V_PCIE2
(2x12 Main Power Connector and 2x4/2x3 12V Power Connector)
With the use of the power connector, the power supply can supply enough stable power to all the components
on the motherboard. Before connecting the power connector, first make sure the power supply is turned off
and all devices are properly installed. The power connector possesses a foolproof design. Connect the power
supply cable to the power connector in the correct orientation. The 12V power connector mainly supplies
power to the CPU. If the 12V power connector is not connected, the computer will not start.
To meet expansion requirements, it is recommended that a power supply that can withstand high
power consumption be used (500W or greater). If a power supply is used that does not provide the
required power, the result can lead to an unstable or unbootable system.
ATX3
13
1
Pin No. Definition
24
12
P12V_AUX1/P12V_AUX2
5
1
8
4
P12V_PCIE1/P12V_PCIE2
4
1
6
3
Hardware Installation
- 20 -
Pin No. Definition
1
3.3V
2
3.3V
3
GND
4
+5V
5
GND
6
+5V
7
GND
8
Power Good
9
5VSB
10
+12V
11
+12V
12
3.3V
Pin No. Definition
1
GND
2
GND
3
GND
4
GND
5
+12V
6
+12V
7
+12V
8
+12V
Pin No. Definition
1
+12V
2
+12V
3
+12V
4
GND
5
GND
6
GND
13
3.3V
14
-12V
15
GND
16
PS_ON
17
GND
18
GND
19
GND
20
-5V
21
+5V
22
+5V
23
+5V
24
GND
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