Pin Assignment of Power
ATX1: Power Supply Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
+3.3V
2
+3.3V
3
+3.3V
4
-12V
5
GND
6
GND
7
+5V
8
PSON
9
GND
10
GND
11
+5V
12
GND
13
GND
12
GND
15
ATXPWGD
16
-5V
17
5VSB
18
+5V
19
+12V
20
+5V
21
+12V
22
+5V
23
+3.3V
24
GND
SATAPWR1: SATA Power Connector 1x4 Pins 2.54mm
Pin number Pin signal
1
12V
2
Ground
3
Ground
4
5V
4 3 2 1