2
Hardware Installation
27
2.8.12 Power Connector
PS1
The pin assignment of the ATX power connector is shown below.
Pin
1
2
3
4
5
6
7
8
9
10
Function
3.3V
3.3V
Ground
+5V
Ground
+5V
Ground
PW-OK
5VSB
+12V
Pin
11
12
13
14
15
16
17
18
19
20
Function
3.3V
-12V
Ground
PS-ON
Ground
Ground
Ground
-5V
+5V
+5V
Important:
The system board requires a minimum of 3.3V/6A electric
current.