A Chip to Bridge the USB 2 – USB 3 Divide
usb4 still preserves a legacy usb2 connection pair.<p>on the one hand it&#x27;s kind of absurd. on the other, a long distance capable, supported everywhere wire protocol is great to be able to assume. displayport&#x27;s aux channel is a great example of why keeping legacy connectivity around on a second track: it makes lowhgrade kvm like connectivity ultra easy &amp; low cost. it&#x27;s, ultimately, a pretty good thing that the 480mbit&#x2F;s pipe is available for use by cheap &amp; common devices. i dont see what else we could do.<p>(aside from mandate that each usb-4 hub integrate a usb-2 over usb-4 adapter like this on each port, which probably makes sense, but also probably would be uncertifiable, would be likely to cause some random device misbeaviors... whitequark will probably have found a dozen random constraints by the end of the week to this chip.)