Power Supply - MSI PM-104 Series User Manual

Power Supply

System Power Connector: ATX1
This connector allows you to connect a power supply. To connect the 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 plug firmly into the connector.
SATA HDD Power Connector: JPW1
This connector provides power to the SATA hard disk drives.
12V CPU Power Connector: JPW2
This connector provides 12V power output to the CPU.
1
13
ATX1 Pin Definition
PIN SIGNAL
1 +3.3V
2 +3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 PWR OK
9 5VSB
10 +12V
11 +12V
12 +3.3V
Important
1. Make sure that all power connectors are connected to the power supply to
ensure stable operation of the mainboard.
2. Power supply of 350 watts (and above) is highly recommended for system
stability.
ATX1
12
24
PIN SIGNAL
13 +3.3V
14 -12V
15 GND
16 PS-ON#
17 GND
18 GND
19 GND
20 Res
21 +5V
22 +5V
23 +5V
24 GND
Hardware Setup
VCC5
GND
GND
+1 2V
JPW1
4
2
1
3
JPW2
JPW2 Pin Definition
PIN SIGNAL
1 GND
2 GND
3 12V
4 12V
2-5