On 29 April 2017 at 08:45, Thomas Mueller <[email protected]> wrote: > from Patrick Welche and David Brownlee: > >> > Netbooting 7.1, a cvs co through re(4) appears to be clean. >> > Unfortunately I can't run 7.1, as it's a new computer which only >> > has USB3 ports, so no keyboard on 7.1. > >> In case it helps the latest netbsd-7 branch builds from >> http://nycdn.netbsd.org/pub/NetBSD-daily/netbsd-7/ should have the >> USB-3 code pulled up from -current. > >> David > > Even without USB 3 support, wouldn't a USB keyboard work, assuming its > connection is USB <= 2.0? > > USB 3 should be backward compatible, and USB 2.0 or 1.1 would be just as fast > as 3.0 with a keyboard since the limiting factor would be finger speed.
A USB 3 controller can handle earlier USB devices, but the OS needs the driver to talk to the USB 3 chipset. Its akin to driving a Gigabit network card to talk to 100baseT devices :) David
