BIOS Setup¶
USB-A Port Power Control Settings¶
Three USB Type-A ports on LattePanda 3 Delta support power control. Every port can be configured independently.
Path: BIOS Setup → Advanced → USB Configuration → Always On USB Port
The default setting is disabled.
| Always On USB Port | Power Control of the USB Port |
|---|---|
| Enabled | Running Mode: Sleep Mode: Hibernate Mode: Shut Down Mode: |
| Disabled | Running Mode: Sleep Mode: Hibernate Mode:  Shut Down Mode: |
| means Enabled, the USB port can output power; means Disabled the USB port can't output power. |
Attention:
- If LattePanda is disconnected from the power supply, all USB A ports are powered off by default when the lattePanda connects power supply again and is not turned on. The MCU power control is also the same.
- The USB2.0 pin in the female header doesn't support power control.