Power Supply; Atx 20-Pin Power Connector: Jwr1; Atx 12V Power Connector: Jpw1 - MSI 845E Max2 Series User Manual

Power Supply

The mainboard supports ATX power supply for the power system. Be-
fore inserting the power supply connector, always make sure that all compo-
nents 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. The power connector supports
instant power on function which means that system will boot up immediately
when the power supply connector is inserted on the board.

ATX 12V Power Connector: JPW1

This 12V power connector is used to provide power to the CPU.
JPW1
4 2
3
1
JPW1 Pin Definition
PIN SIGNAL
1 GND
2 GND
3 12V
4 12V
Hardware Setup
11
20
JWR1
JWR1 Pin Definition
PIN SIGNAL PIN
1 3.3V 1 1
2 3.3V 12
3 GND 13
4 5V 14
5 GND 15
6 5V 16
7 GND 17
8 PW_OK 18
9 5V_SB 19
10 12V 20
2-7
1
10
SIGNAL
3.3V
-12V
GND
PS_ON
GND
GND
GND
-5V
5V
5V