> I own a Korg Electribe-S, i'm about to buy a sm card. > What's a USB card reader ? please. You simply "plug" the SmartMedia card into the reader which connect your PC/laptop using USB ... once drivers are installed, the SmartMedia card looks like a removable hard drive. http://www.sandisk.com/consumer/im.asp http://www.dazzle.com/products/cardreaders.html http://www.microtechint.com/qs-zio.html Just make sure they have drivers for whatever platform/OS you are using.