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Connector Introduction
21
A) ATX3 (2x12 Pin ATX Power )
B) ATX1 (ATX1 Power )
¾This connector (ATX +12V) is used only for
CPU Core Voltage.
1
24
Pin No. Definition
1 GND
2 +12v
3 GND
4 +12V
5 GND
6 +12V
7 GND
8 +12V
1
13
12
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