User`s guide

2-5
Mainboard Hardware
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.
PIN SIGNAL
11 3.3V
12 -12V
13 GND
14 PS_ON
15 GND
16 GND
17 GND
18
19 5V
20 5V
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 Pin Definition
ATX1
20
10
1
11
1
3
4
2
JPW1
PIN SINGAL
1 GND
2 GND
3 12V
4 12V
JPW1 Pin Definition