请使用下面的模版提问（创建话题后勾选相应的选项）：
Jetson 模组
Jetson AGX Orin
Jetson Orin NX
[√] Jetson Orin Nano
Jetson AGX Xavier
Jetson Xavier NX
Jetson TX 系列
Jetson Nano
I saw in the Orin Nano design guide that the maximum number of vias on USB3.0 and PCIe traces is 4. I’d like to ask, does this limit apply per single signal line or for a pair of differential lines?
