On Wed, 21 Oct 2009, Sampsa Laine wrote: I thought SNA mostly ran on Token Ring or something? I have an IBM PS/2 model (something) with both an MCA Token Ring card and and MCA Ethernet - and I even have a passive Token Ring Mau! (and a cable, somewhere ...) Now if I could just find that gateway software. When I had access to a real mainframe, all of the PC's went through a handful of these PS/2's via Ethernet, and the PS/2's had token ring cards in them connected to a real FEP. Fred