Here is the link, as promised:
http://www.menet.umn.edu/~kaszeta/unix/xterminal/
I just verified it this morning. Basically, it tells how he set up several cheap
'486's the school had sitting around idle as X Terminals.
I hope it works for you, I am still looking for a cheap PC for my daughter
before I try this myself.
Cheers,
John Gay