MSI Micro ATX User Manual

Chapter 2
2-8
Power Supply
The mainboard supports ATX power supply for the power system. Before
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: JWR1
This connector allows you to connect to an ATX power supply. To connect to
the ATX power supply, make sure the plugs 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.
Since the mainboard has instant power on function,
make sure that all components are installed properly
before inserting the power connector to ensure that no
damage will be done.
WARNING!
ATX
Power Connector
20 11
10 1
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
45V
5 GND
65V
7 GND
8 PW_OK
9 5V_SB
10 12V
JWR1 Pin Definition

MSI Micro ATX Specifications

General

Brand	MSI
Model	Micro ATX
Category	Motherboard
Language	English