7 
NotchVolt
 
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. A 300W or above power supply is suggested. 
ATX 20-Pin Power Connector: ATX1 
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. 
 
1
11
3.3V
3.3V
3.3V
-12V
GND
GND
GN D
GND
GN D
GN D
GND
PW_OK
-5V
5V_SB
5V
5V
12V
5V
PS _O N
5V
10
20
 
ATX 12V Power Connector: JPW1 
This 12V power connector is used to provide power to the CPU. 
1
3
2
4
GND
GND
12V
12V
 
Floppy Disk Drive Connector: FDD1 
The mainboard provides a standard floppy disk drive connector that supports 360K, 720K, 1.2M, 1.44M 
and 2.88M floppy disk types.