ATX Power supply V2.X pinout
Oct.04, 2009 in
Interfaces
This is ATX Power supply V2.X pinout description.
24 PIN connector 39-01-2240 at the cable.
24 PIN connector 44206-0007 at the motherboard.
| Pin | Name | Color | Description | |
|---|---|---|---|---|
| 1 | +3.3V | Orange | +3.3 VDC | |
| 2 | +3.3V | Orange | +3.3 VDC | |
| 3 | COM | Black | Ground | |
| 4 | +5V | Red | +5 VDC | |
| 5 | COM | Black | Ground | |
| 6 | +5V | Red | +5 VDC | |
| 7 | COM | Black | Ground | |
| 8 | PWR_OK | Gray | Power Ok (+5 V DC when power is Ok) | |
| 9 | +5VSB | Purple | +5 VDC Standby Voltage (max 10mA) | |
| 10 | +12V1 | Yellow | +12 VDC | |
| 11 | +12V1 | Yellow | +12 VDC | |
| 12 | +3.3V | Orange | +3.3 VDC | |
| 13 | +3.3V | Orange | +3.3 VDC | |
| 14 | -12V | Blue | -12 VDC | |
| 15 | COM | Black | Ground | |
| 16 | /PS_ON | Green | Power Supply On (active low) | |
| 17 | COM | Black | Ground | |
| 18 | COM | Black | Ground | |
| 19 | COM | Black | Ground | |
| 20 | N/C | Not connected | ||
| 21 | 5V | Red | +5 VDC | |
| 22 | 5V | Red | +5 VDC | |
| 23 | 5V | Red | +5 VDC | |
| 24 | COM | Black | Ground |
