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Hardware Installation- 19 -
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Pin No. Definition
1 GND
2 GND
3 +12V
4 +12V
1/2) ATX_12V / ATX (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, please make sure that
all components and devices are properly installed. Align the power connector with its proper
location on the motherboard and connect tightly.
The ATX_12V power connector mainly supplies power to the CPU. If the ATX_12V power connec-
tor is not connected, the system will not start.
Caution!
Please use a power supply that is able to handle the system voltage requirements. It is recom-
mended that a power supply that can withstand high power consumption be used (400W or
greater). If a power supply is used that does not provide the required power, the result can lead
to an unstable system or a system that is unable to start.
If you use a 24-pin ATX power supply, please remove the small cover on the power connector on
the motherboard before plugging in the power cord ; otherwise, please do not remove it.
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24
12
43
21
Pin No. Definition
13 3.3V
14 -12V
15 GND
16 PS_ON(soft On/Off)
17 GND
18 GND
19 GND
20 -5V
21 +5V
22 +5V
23 +5V (Only for 24-pin ATX)
24 GND(Only for 24-pin ATX)
Pin No. Definition
1 3.3V
2 3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 Power Good
9 5V SB(stand by +5V)
10 +12V
11 +12V(Only for 24-pin ATX)
12 3.3V(Only for 24-pin ATX)