Boot from MacBook Pro SD card slot

The new 13-inch and 15-inch MacBook Pro models are now equipped with an SD card slot instead of an ExpressCard slot.

Apple released a knowledge base article about the SD card slot and it included the following information:

– Supports MultiMediaCards (MMC).
– Supports SD, SDHC, MiniSD, MicroSD.
– The Mac recognize the SD card as a USB device.
– SD cards can be used as startup volumes (bootable).
– No SDIO support.
– Can be used in Windows using Bootcamp.

Via hardmac, MacUser and TUAW.