USB 15 port limit(s), onboard/global vs *external* hubs ?

Good day,

So let's assume I have cut-down/configured my Z390 Aorus PRo WiFi's ports mapped, and limited to 15 only.

Now, whenever I plug in an *external* 4port USB 3.1 or 3.0 or 2.0 *hub* into the relevant USB 2/3.0/3.1 port, will I be able to use all the other 14 onboard ports as well as the extra 4 ports on the HUB ?

So, the question that I haven't yet gotten clear clarity on in the docs/faqs/instructions/guides/etc.: Is the 15port limited to the *onboard*, or in *global*?

What if I insert an extra USB 3.0/3.1 PCIe adapter, will those port count towards the "global"/onboard 15port limit, or would those be seen as a separate controller with it's own 15port limit?? Is there a limit on the ports downstream connected to it via USB Hubs?

submitted by /u/hevisko
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