Not many people know how to do this, or have access to the software.
Microsoft networking can be set up for dos and windows of all versions.
If you have access to a NT server, there is a utility in the admin tools to create a network boot disk. You select your card, and protocol, and it creates a disk with all the software needed.
Problem is, it's an old utility, hasn't been updated to new cards in a long time, and doesn't always work without you getting into the protocol.ini under the net directory and hacking it a little, and you may have to patch in drivers downloaded from your NIC
the protocol.ini is fairly straightforward, username= , network=, protocol=...
Talk to someone in your area who's been doing NT server support for more than a few years and you can probably get your hands on