Power Supply; Atx 20-Pin Power Connector: Jwr1 - MSI KT4A-V User Manual

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 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.
11
1
20
10
JWR1

Power Supply

JWR1 Pin Definition
PIN SIGNAL PIN
1 3.3V 11
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
20
10 12V
Hardware Setup
SIGNAL
3.3V
-12V
GND
PS_ON
GND
GND
GND
-5V
5V
5V
2-9