Gigabyte B450M GAMING User Manual page 13

1/2) ATX_12V/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
required power, the result can lead to an unstable or unbootable system.
5 8
1 4
ATX_12V
12 24
1 13
ATX
ATX_12V:
Pin No.
1
2
3
4
ATX:
Pin No.
1 3.3V
2 3.3V
3
4 +5V
5
6 +5V
7
8 Power Good
9
10 +12V
11 +12V (Only for 2x12-pin
12 3.3V (Only for 2x12-pin
- 13 -
Pin No.
5
6
7 +12V
8 +12V
Pin No.
13 3.3V
14 -12V
15
16
17
18
19
20 NC
21 +5V
22 +5V
23
24