Ancient history, but worked at a financial firm which ran Windows for Workgroups with the DLC protocol (so it wasn't eating the 640KB) over token ring, and some

Ancient history, but worked at a financial firm which ran Windows for Workgroups with the DLC protocol (so it wasn't eating the 640KB) over token ring, and some quite expensive do-it-all terminal software. Some of the old heads still had a 3270 in their office.