Originally Posted by Rachel B. Posner
I have an SD slot and above that is a plastic slide-out frame with 5 rectangles cut out, but I don't see any electronics or contacts anywhere. I presumed the 5-slot tray was just a place holder or dummy which I had to replace with something.
Yup - that's an express card slot, it's the current version of a cardbus or pcmcia device slot. If you need to read a card type that isn't supported by the SD/MMC/XD/Memory Stick slot, you'd need to get either a standalone card reader, or a card reader that plugs into the express card slot.