If you have the old fieldstar terminal, then no you can not use any kind of flash card. The old terminals use Sram cards. I think there may have been a few 4mb Srams around, but I don't remember if the Fieldstar could use them or not. I have a 2 mb card here on the shelf. We might be able to work something out on it. The email button below or the email address in my profile will work.

Also, you have to have a special card reader to read the Sram cards.