wow, now I have seen some computer jerry rigging in my day, but this is just amazing, I can't believe it would actually work, but here it is. USB thumb drive into usb to PS2 converted to PS2 to serial, serial to bigger serial?

Now this is a crazy funny picture with just about every SD card adapter known to man. Lets take it from the top, PCI card, Compact flash, SD, miniSD, and finally microSD