mario::konrad
programming / C++ / sailing / nerd stuff
Pinout: Powersupply
© 2003 / Mario Konrad

AT Motherboard Powersupply, Male

Pin Color Description
1 Orange Power Good
2 Red +5V DC
3 Yellow +12V DC
4 Blue -12V DC
5 Black GND
6 Black GND
7 Black GND
8 Black GND
9 White -5V DC
10 Red +5V DC
11 Red +5V DC
12 Red +5V DC

Plug 5.25 Inch, Male

Pin Color Description
1 Yellow +12V DC
2 Black GND
3 Black GND
4 Red +5V DC

Plug 3.5 Inch, Male

Pin Color Description
1 Yellow +12V DC
2 Black GND
3 Black GND
4 Red +5V DC

ATX Power 20 Pin, Main Power

Pin Color Description
1 Orange +3.3V DC
2 Orange +3.3V DC
3 Black GND
4 Red +5V DC
5 Black GND
6 Red +5V DC
7 Black GND
8 Gray POWER_OK
9 Purple +5V DC Standby Voltage
10 Yellow +12V DC
11 Orange +3.3V DC / sense
12 Blue -12V DC
13 Black GND
14 Green PS-ON
15 Black GND
16 Black GND
17 Black GND
18 White -5V DC
19 Red +5V DC
20 Red +5V DC

ATX Power 6 Pin, Aux Power

Pin Color Description
1 GND
2 GND
3 GND
4 +3.3V DC
5 +3.3V DC
6 +5V DC

ATX Power 4 Pin, 12V

Pin Color Description
1 GND
2 GND
3 +12V DC
4 +12V DC