I have got an edge

Question

I have got an edge card and i am trying 2 get it to work i have downloaded the zip file of the edge-ds site and extracted the files and dragged it onto the sd card and put nds file games that have been modified then its says to put the memory card into the edge card and put it into the nintendo ds and play the games.But when i put the edge card in to the ds all i get it a white screen with the message (EDGE.DAT tidak menemukan!).Also its says on the instruction on the website (with the directory structue preserved)to the root of your mirco sd card.Could you please tell me what this means.