1650 mobile

I recently got a very budget gaming laptop for my college use.. This is Lenovo Ideapad Gaming 3 15IHU6-D1; i5 11320H 16GB DDR4 (Upgraded from 8GB) GTX 1650 GDDR6 1080P 60Hz LCD. now the question is... How do I know if GPU is connected via CPU PCIe Lanes of Via PCH PCIe Lanes.. GPU z Shows...