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