17
Connector Introduction
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.
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 ) ATX2 (Auxukiary +12V Power Connector)This connector (ATX +12V) is used only for
CPU Core Voltage.
4
12
3
24 13
12 1
Pin No. Definition
1 GND
2 GND
3 +12V
4 +12V