Gigabyte GA-GC220 Manual - Page 16

ATX_12V/ATX 2x2 12V Power Connector and 2x12 Main Power Connector

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1/2) ATX_12V/ATX (2x2 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. 1 3 2 4 ATX_12V ATX_12V : Pin No. 1 2 3 4 Definition GND GND +12V +12V 10 20 1 11 ATX ATX : Pin No. 1 2 3 4 5 6 7 8 9 10 Definition 3.3V 3.3V GND +5V GND +5V GND Power Good 5V SB(stand by +5V) +12V Pin No. 11 12 13 14 15 16 17 18 19 20 Definition 3.3V -12V GND PS_ON(soft On/Off) GND GND GND -5V +5V +5V GA-GC220 Motherboard - 16 -

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GA-GC220 Motherboard
- 16 -
1/2) ATX_12V/ATX (2x2 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.
Pin No.
Definition
11
3.3V
12
-12V
13
GND
14
PS_ON(soft On/Off)
15
GND
16
GND
17
GND
18
-5V
19
+5V
20
+5V
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
ATX :
11
1
20
10
ATX
ATX_12V
3
4
1
2
ATX_12V :
Pin No.
Definition
1
GND
2
GND
3
+12V
4
+12V