Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> writes: > On Thu, 10 Nov 2016, Kai-Heng Feng wrote: > >> Is there a way to force XHCI run at HighSpeed? > > Yes, like I said above: Use a USB-2 cable instead of a USB-3 cable. It's an m.2 form factor modem, so there most likely isn't any cable involved. But the principle is the same: Cover the USB3 diff pair pins with a piece of tape. Bjørn -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html