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1/2) 12V_2X4/ATX (2x4 12V Power Connector and 2x12 Main 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 that does not provide the required
power is used, it can result in an unstable or unbootable system.
12V_2X4
ATX
12V_2X4:
8
5
4
1
12V_2X4
Pin No.
Definition
Pin No.
Definition
1
GND (Only for 2x4-pin 12V)
5
+12V (Only for 2x4-pin 12V)
2
GND (Only for 2x4-pin 12V)
6
+12V (Only for 2x4-pin 12V)
3
GND
7
+12V
4
GND
8
+12V
ATX:
24
12
23
+5V (Only for 2x12-pin ATX)
Pin No.
Definition
Pin No.
Definition
1
3.3V
13
3.3V
2
3.3V
14
-12V
3
GND
15
GND
4
+5V
16
PS_ON (soft On/Off)
5
GND
17
GND
6
+5V
18
GND
7
GND
19
GND
8
Power Good
20
NC
9
5VSB (stand by +5V)
21
+5V
10
+12V
22
+5V
11
+12V (Only for 2x12-pin
ATX)
13
1
12
3.3V (Only for 2x12-pin
ATX)
24
GND (Only for 2x12-pin
ATX)
ATX
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