Jetson TX2 question - How set pin B40 and B39 as USB

I do not konow if pin B39 and B40 as USB port.I want to use these two as USB port.Can you tell me how set B40 and B39.

Hi, B39 and B40 are default used as USB2.0 pins. Please check OEM DG and SCH in DLC first.

if PIN42 and PIN43 are default used as USB2.0 pins?

Pin 42 and 43 are for USB2.0 of M.2 module on carrier board. Please check all related info in DG and SCH first.

OK,Pin42 and Pin43 as host or device?