ATX Power Connector Pinout
ATX MOTHERBOARD POWER CONNECTOR
PIN
NAME
DESCRIPTION
1
+3.3V
+3.3VDC Power
2
+3.3V
+3.3VDC Power
3
GND
Ground
4
+5V
+5VDC Power
5
GND
Ground
6
+5V
+5VDC Power
7
GND
Ground
8
PWRGD
Power Good
9
+5VVSB
+5VDC VSB
10
+12V
+12VDC Power
11
+3.3V
+3.3VDC Power
12
-12V
-12VDC Power
13
GND
Ground
14
PS-ON
Remote Power On/Off
15
GND
Ground
16
GND
Ground
17
GND
Ground
18
+5V
+5VDC Power
19
+5V
+5VDC Power
20
+5V
+5VDC Power