On Jan 21, 2012, at 11:19, Bart Trojanowski wrote: > Flash needs bad-block remapping, block refresh, and write levelling. In the > case of a USB attached flash storage these functions clearly get done in > the USB device... in some sort of "processor" or ASIC. > There is definitely intelligence on the SD card controller. It needs to manage the 2 partitions and the crypto for the protected partition if nothing else. > I always thought that MMC/SD devices worked the same. > MMC cards, from I can remember, doesn't have the protected partition. Regards, Spencer