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Connector Introduction
1) ATX1 (24-pin ATX Power Connector)
¾
AC power cord should only be connected to
your power supply unit after ATX power cable
and other related devices are firmly connected
to the mainboard.
PIN No.
Definition
1
+3.3V
2
+3.3V
3
GND
4
+5V
5
GND
6
+5V
7
GND
8
POK
9
5VSB
10
+12V
11
+12V
12
+3.3V
13
+3.3V
14
-12V
15
GND
16
PSON
17
GND
18
GND
19
GND
20
-5V
21
+5V
22
+5V
23
+5V
24
GND
2 ) ATX3 (8-pin ATX Power Connector)
Pin No.
Definition
1
GND
2
GND
3
GND
4
GND
5
P12V_CPU
6
P12V_CPU
7
P12V_CPU
8
P12V_CPU
24
13
12
1
4
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