They're commonly used as memory expansion devices on laptops, and are nowadays also called PC cards. (They can also be used in network configurations.) For more information and/or elucidation, visit http://en.wikipedia.org/wiki/PC_Card ----- Original Message ----- From: "tonysweeney" <tonysweeney1@xxxxxxxxxx> To: "vics" <vicsireland@xxxxxxxxxxxxx> Sent: Thursday, July 26, 2007 1:28 AM Subject: [vicsireland] PCMCIA cards Hi All, There has been a lot of discussion re PCMCIA cards on another list lately. I am not sure that I know much about them. What are they and what do they do? I think that it is something to do with networking? Any response would be gratefully appreciated. I am proposing updating my computer hardware & softeware soon. All the best, Tony Sweeney.