I finally was able to find a combination of RAM that has finally allowed me to install SME 5 onto my P166-MMX. Thanks to those who were able to help me with that.
So, I have now encorporated the server into my LAN. I am running 2 Wintels behind a Linksys BEFSR41 Router. I realize that I could take out the router, and have the E-smith be my gateway from now on, but that is not my desire. The Smith Server is now a third node on the LAN just as my old NT4 server was. The issue now is that with only 1 nic in the machine, and the appropriate ports mapped through my router to that machine (http mapped to port 80, etc) I am running DSL. The Linksys router takes care of my connection for me by doing the PPPoE connection. With my NT server, I had a program that would grab my external IP and map it to DYNDNS.ORG so that web and ftp access was possible if I used my domain name in the appropriate program.
If I understand the manual correctly, I cannot run any kind of dynamic DNS service unless I run in "Server/Gateway" mode. Has anybody successfully configured this situation and give me any pointers on how they did it?