I found that out the hard way recently when I acquired my AS/400 and the
10Mb/s card for it. It did not like talking to my 10/100/1000 switch at all.
And of course I had recently gotten rid of my old 10Mb/s hub I had been
saving for a couple of decades... Had to resort to eBay for an ancient hub.
On Sun, May 28, 2023 at 2:09 PM Craig Ruff via cctalk <cctalk(a)classiccmp.org>
wrote:
FYI: The Ethernet standards dropped support for half
duplex connections a
few years back, so that if you have something that depends on half duplex
links a recent Ethernet switch might not support it.