1) ATX1 (Auxukiary Power Connector)
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.
2 ) ATX2 (Auxukiary +12V Power Connector)
This connector (ATX +12V) is used only for
CPU Core Voltage.
24
12
1
13
4
1 5
Pin No.
1
2
3
4
5
6
7
8
2 2
Connector Introduction
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
8
Definition
GND
GND
GND
GND
P12V_CPU1
P12V_CPU1
P12V_CPU0
P12V_CPU0