Edo Memory Module

first question:i have a old ibm thinkpad running m.e ,its not a bad little notebook for typing tasks but it only has 48mb of ram,i rally want to make it at least 64mb,however the memory required is a edo so-dimm module and i cant find any on the net avalible,is their any sites that do that type of module
secondly,i have a cable and wireless pcmcia network card,but it dosent sem to work on this notebook,is this because of the memory as it cant be the operating system as it says m.e on the box
any ideas ?
cheers