We currently have 2Gb of memory.
<a href="http://www.google.com/products?oe=utf-8&q=v240+memory+4GB+PC2100">Google products</a> shows
that we can get 4Gb for about $250.

<p><a href="http://www.edgetechcorp.com/memory/upgrade.asp?cid=27766">Edge's V240 page</a> describes
the layout.