
Power Supply, System Connectors, CPU 
Chapter: Connectors 
Beckhoff New Automation Technology CB1052 
page 15 
 
 
Pinout ATX power connector 2x2: 
 
Description 
Name 
Pin 
Name 
Description 
ground 
GND 
1 
3 
COREIN 
12 volt supply 
ground 
GND 
2 
4 
COREIN 
12 volt supply