> > > > Lenovo G500 with USB 3.0 Ethernet and OpenBSD 6.2 - 100mbit > > Lenovo T400 with motherboard Ethernet Ubuntu 14.04 - 100mbit > > Lenovo T560 with motherboard Ethernet Windows 10 - 1 Gbit > > >
Boot all 3 laptops with OpenBSD flashdrive to see if it is OS/driver issue of hardware issue. Try to set speen explicitly and see if it works