Mini-ITX Mainboard Manual
12
2.4
P
OWER
S
UPPLY
ATX Power Source Connector (20-pin)
This connector allows user to connect 20-pin power connector on the power
supply.
1
10
11
20
Pin Assignment
Pin Assignment
1 +3.3V
11 +3.3V
2 +3.3V
12 -12V
3 GND
13 GND
4
+5V
14
Power Supply On
5 GND
15 GND
6 +5V
16 GND
7 GND
17 GND
8 Power
Good
18 NC
9 +5V
Standby
19 +5V
10 +12V
20 +5V
ATX Power Source Connector (4-pin)
By connecting this connector, it will p12V to CPU power circuit.
Pin
Assignment
1 +12V
2 +12V
3 Ground
4 Ground
1
2
3
4