Lah931p Boardview [better] -

To help find the exact variant you need, could you specify your motherboard's (e.g., Rev 1.0, 2.0)? If you are currently troubleshooting a specific issue, sharing the symptoms or broken power rail will help narrow down the diagnosis.

If 19V enters the first MOSFET but does not exit the second, use the boardview to find the charging IC that controls these gates. Step 3: Verifying the 3.3V and 5V Always-On Rails lah931p boardview