Power supply -9, Chapter 2 power supply, Atx 24-pin power connector: jpwr1 – MSI 880G-E45 User Manual
Page 25: Atx 4-pin power connector: pwr1, Important

2-9
MS-7576
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 firmly 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.+
3.3V
1.+3
.3V
14.-1
2V
2.+3
.3V
15.G
roun
d
3.Gro
und
16.P
S-ON
#
4.+5
V
17.G
roun
d
5.Gro
und
18.G
roun
d
6.+5
V
19.G
roun
d
7.Gro
und
22.+
5V
10.+
12V
20.R
es
8.PW
R OK
23.+
5V
11.+1
2V
21.+
5V
9.5V
SB
24.G
roun
d
12.+
3.3V
ATX 4-pin Power Connector: PWR1
This connector is used to provide power to the CPU.
4.+1
2V
2.Gro
und
3.+1
2V
1.Gro
und
Important
Make sure that all the connectors are connected to proper ATX power supplies to
ensure stable operation of the mainboard.
Power supply of 350 watts (and above) is highly recommended for system stability.
•
•