12V USB + Power
The Motherboard provides three latching 12V Powered USB ports. The connector color is teal.
The 12V Powered USB port can supply 12V at 2.0A, with a combined total for all 12V peripherals connected to the motherboard of 6A (electrical limitation). This power budget includes the three 12V USB ports and the two 12V serial ports on the motherboard. Overcurrent signals are used to detect when the fuses are open. These signals are connected to a GPIO on the Super I/O.
The expansion card generates its own 12V from 24V and is not subject to the 12V current budget of the motherboard. Each 12V USB power is fused with a 3A self-healing poly-fuse.
1.75A self-healing poly fuses protect the +5V of the ports. An overcurrent signal is used to detect when this fuse is open. The signals are connected to overcurrent inputs/GPIO on the PCH.
| Signal Name | Pin | Pin | Signal Name |
|---|---|---|---|
| USB PWR | 1 | 5 | GND |
| USB D– | 2 | 6 | +12V |
| USB D+ | 3 | 7 | +12V |
| GND | 4 | 8 | GND |
| FRAME GND | 9 | 10 | FRAME GND |
| FRAME GND | 11 | 12 | FRAME GND |
