Power Supply; Atx 24-Pin Power Connector: Atx1; Atx 12V Power Connector: Pwr1 & Jpwr1 - MSI MS-7160 User Manual

M S-7160 ATX M ainboard
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 24-Pin Power Connector: ATX1

This connector allows you to connect an SSI power supply. To connect the
SSI 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.
13
ATX1
24
ATX 12V Power Connector: PWR1 & JPWR1
3
1
PWR1
1 2
JPWR1
MSI Reminds You...
1. These two connectors connect to the ATX power supply and have to
work together to ensure stable operation of the mainboard.
2. Power supply of 450 watts (and above) is highly recommended for
system stability.
3. For ATX 12V power connection, it should be greater than 20A.
2-10

Power Supply

1
PIN
1
2
3
4
5
6
7
8
9
10
11
12
12
4
2
3
4
Pin Definition
SIGNAL PIN
+3.3V 13
+3.3V 14
GND 15
+5V 16
GND 17
+5V 18
GND 19
PWR OK 20
5VSB 21
+12V 22
+12V 23
24
+3.3V
PWR1 Pin Definition
PIN SIGNAL
1 GND
2 GND
3 12V
4 12V
JPWR1 Pin Definition
PIN SIGNAL
1 5V
2 GND
3 GND
4 +12V
SIGNAL
+3.3V
-12V
GND
PS-ON#
GND
GND
GND
-5V (optional)
+5V
+5V
+5V
GND