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Hardware Installation
1/2) ATX_12V_2X4_1/ATX_12V_2X4_2/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

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.
G.QBOFM
12
24
1
13
ATX
ATX_12V_2X4_1/ATX_12V_2X4_2:
Pin No. 
1 GND (Only for 2x4-pin 12V)
2 GND (Only for 2x4-pin 12V)
3 GND
4 GND
5+12V (Only for 2x4-pin 12V)
6 +12V (Only for 2x4-pin 12V)
7 +12V
8 +12V
ATX:
Pin No.  Pin No. 
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)
23 +5V (Only for 2x12-pin ATX)
12 3.3V (Only for 2x12-pin ATX) 24 GND (Only for 2x12-pin ATX)
G.QBOFM
ATX_12V_2X4_1/
ATX_12V_2X4_2
8
4
5
1
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