Chapter 2
2-10
2.4 Power Supply
The mainboard supports ATX power supply for the power system. Be-
fore inserting the power supply connector, always make sure that all
components are installed properly to ensure that no damage will be
caused.
ATX 20-Pin Power Connector: ATX1
This connector allows you to connect to an power supply. To connect to
the power supply, make sure the plug of the power supply is inserted in
the proper orientation and the pins are aligned. Then push down the
power supply firmly into the connector.
ATX 12V Power Connector: JPW1
This 12V power connector is used to provide power to the CPU.
PIN
SIGNAL
11
3.3V
12
-12V
13
GND
14
PS_ON
15
GND
16
GND
17
GND
18
-5V
19
5V
20
5V
PIN
SIGNAL
1
3.3V
2
3.3V
3
GND
4
5V
5
GND
6
5V
7
GND
8
PW_OK
9
5V_SB
10
12V
ATX1 Pin Definition
PIN
SIGNAL
1
GND
2
GND
3
12V
4
12V
JPW1 Pin Definition
MSI Reminds You...
These two connectors connect to the power supply and have to work
together to ensure stable operation of the mainboard.
ATX1
10
1
20
11
JPW1
1
3
4
2
