ATX12VO (Intel spec) delivers only 12V to the motherboard via a 10-pin connector, moving 5V and 3.3V generation on-board for smaller more efficient PSUs.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Ground | GND |
| 2 | GND | Ground | GND |
| 3 | GND | Ground | GND |
| 4 | GND | Ground | GND |
| 5 | GND | Ground | GND |
| 6 | 12V | 12V power | PWR |
| 7 | 12V | 12V power | PWR |
| 8 | PS_ON# | Power on signal | I/O |
| 9 | PWR_OK | Power good | I/O |
| 10 | 5VSB | 5V standby | PWR |
ATX12VO (Intel spec) delivers only 12V to the motherboard via a 10-pin connector, moving 5V and 3.3V generation on-board for smaller more efficient PSUs.