MSI MS-7740

2-9
Hardware Setup
MS-7740
Chapter 2
Power Supply
ATX 24-pin Power Connector: JPWR1
This connector allows you to connect an ATX 24-pin power supply. To connect the ATX
24-pin 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 󰘰rmly into the
connector.
You may use the 20-pin ATX power supply as you like. If you’d like to use the 20-pin
ATX power supply, please plug your power supply along with pin 1 & pin 13.
13.+3.3
V
1.+3.3
V
14.-12V
2.+3.3V
15.Ground
3.Ground
16.PS-ON#
4.+5V
17.Ground
5.Ground
18.Ground
6.+5V
19.Ground
7.Ground
22.+5V
10.+12V
20.Res
8.PWR OK
23.+5V
11.+12V
21.+5V
9.5VSB
24.Ground
12.+3.3
V
ATX 4-pin Power Connector: JPWR2
This connector is used to provide the power output to the CPU.
4.+12V
2
.Ground
3.+12V
1
.Ground
Important
Make sure that all the connectors are connected to proper ATX power supplies to en-
sure stable operation of the mainboard.