Power Supply - MSI MEGA 865 PRO MS-6287 User Manual

2.4 Power Supply

The system is equipped with a 220W(PFC) ATX power supply.
The power cord of the power supply has been connected to the connec-
tor ATX1 on the mainboard when shipped out. Except the 20-pin con-
nector ATX1, you can find another 4-pin power connector JPW1 on the
mainboard. This 12V power connector is used to provide power to the
CPU.
20
10
PIN SINGAL
1 3.3V
2 3.3V
3 GND
4 5V
5 GND
6 5V
7 GND
8 PW_OK
9 5V_SB
10 12V
ATX1
ATX1 Pin Definition
PIN SIGNAL
11 3.3V
12 -12V
13 GND
14 PS_ON
15 GND
16 GND
17 GND
18
19 5V
20 5V
Mainboard Hardware
2
11
4
1
JPW1
JPW1 Pin Definition
PIN
1
2
3
4
1
3
SINGAL
GND
GND
12V
12V
2-5