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GA-G1975X Motherboard - 22 -
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1/2) ATX_12V_2X4/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 (2x4) power connector mainly supplies power to the CPU. If the ATX 12V (2x4)
power connector is not connected, the system will not start. If you wish to install a power supply
that provides ATX 12V (2x2) power connector, please connect the ATX 12V power connector to
the Pin 3, 4, 7,8 of the onboard ATX_12V_2X4 power connector according to the pin definitions.
Important Use of a power supply providing an ATX 12V (2x4) power connector is recommended
by processor manufacturer when using Intel Pentium D Extreme Edition processor.
Caution! Please use a power supply that is able to handle the system voltage requirements. It
is recommended 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 power supply
that provides a 24-pin ATX or 2x4 pin ATX 12V power connector, please remove the small cover
on the power connector on the motherboard before plugging in the power cord ; otherwise, please
do not remove it.
13
1
24
12
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)
4
1
8
5
Pin No. Definition
1 GND
2 GND
3 GND
4 GND
5 +12V
6 +12V
7 +12V
8 +12V