MSI KT4V User Guide - Page 27

Power Supply, ATX 20-Pin Power Connector: JWR1

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Hardware Setup 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 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 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 10 12V 20 SIGNAL 3.3V -12V GND PS_ON GND GND GND -5V 5V 5V 2-9

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2-9
Hardware Setup
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 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.
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
JWR1 Pin Definition
JWR1
10
1
20
11