Hi,

> I have 2 LCII and I want to put a ethernet card in at least one of them.
> Are there any ethernet card compatible with these computers?

Yes, they are not too hard to find. They're called LC ethernet
(appropriately), and sometimes they're called LC PDS ethernet.

Here's an example:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=1773761172

They're very cute little machines.

Good luck,
John Klos
Sixgirls Computing Labs