2 8
GA-7A8DRH Motherboard
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A ) ATX1
1
12
24
13
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
B ) ATX2
Pin No.
Definition
1
GND
2
+12v
3
GND
4
+12V
5
GND
6
+12V
7
GND
8
+12V
¾
This connector (ATX +12V) is used only for
CPU Core Voltage.
1
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.