24-Pin Atx Power Connector; 4-Pin Atx 12V Power Connector - Zotac A75ITX series User Manual

AMD A75ITX series motherboard

24-pin ATX Power Connector

PWR1 is the main power supply connector. Make sure that the power supply cable
and pins are properly aligned with the connector on the motherboard. Firmly plug the
power supply cable into the connector and make sure it is secure.
1
PWR2
4-pin ATX_12V Power Connector
PW2, the 4-pin ATX 12V power connection, is used to provide power to the CPU. Align the pins
to the connector and press firmly until seated.
PWR2-Pin Definition
Pin Signal
1 GND
2 GND
3 +12V
4 +12V
14
121 121
PWR1
12 24
120 240 120 240
1 13
PWR1-Pin Definition
Pin Signal
1 +3.3V
2 +3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 PWROK
9 +5V_AUX
10 +12V
11 +12V
12 +3.3V
Pin Signal
13 +3.3V
14 -12V
15 GND
16 PS_ON
17 GND
18 GND
19 GND
20 -5V
21 +5V
22 +5V
23 +5V
24 GND