Gigabyte GA-8I915G Pro Manual - Page 19

ATX_12V/ATX Power Connector

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English 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 connector 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 recommended that a power supply that can withstand high power consumption be used (300W or greater). Ifa 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. Please remove the sticker on the motherboard before plugging in while theATX power supplier is 24 pins; Otherwise, please do not remove it. 3 4 1 2 Pin No. 1 2 3 4 Definition GND GND +12V +12V Pin No. Definition 13 1 1 3.3V 2 3.3V 3 GND 4 VCC 5 GND 6 VCC 7 GND 8 PowerGood 9 5VSB(stand by +5V) 10 +12V 11 +12V 12 3.3V(Onlyfor 24pinsATX) 24 12 13 3.3V 14 -12V 15 GND 16 PS_ON(soft On/Off) 17 GND 18 GND 19 GND 20 -5V 21 VCC 22 VCC 23 VCC 24 GND - 19 - Hardware Installation

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Hardware Installation
- 19 -
English
Pin No.
Definition
1
GND
2
GND
3
+12V
4
+12V
3
1
4
2
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 connector
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
recommended that a power supply that can withstand high power consumption be used (300W 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.
Please remove the sticker on the motherboard before plugging in while the ATX power supplier is 24
pins; Otherwise, please do not remove it.
Pin No.
Definition
1
3.3V
2
3.3V
3
GND
4
VCC
5
GND
6
VCC
7
GND
8
PowerGood
9
5V SB(stand by +5V)
10
+12V
11
+12V
12
3.3V(Only for 24pins ATX)
13
3.3V
14
-12V
15
GND
16
PS_ON(soft On/Off)
17
GND
18
GND
19
GND
20
-5V
21
VCC
22
VCC
23
VCC
24
GND
24
13
12
1