You must format an SD card prior to using it for storage. However, if you format the SD card into more than one partition, you can only use the active partition on the card. To delete partitions and ...

I want to partition the card so I can use it for an OS install disk (Mac OS Extended GUID) in one partition and as a camera disk (MS-DOS FAT) in the other partition.

The addition of a built-in SD card reader to the 13" and 15" MacBook Pros may have dubious utility for many users, but Apple has seen fit to include at least one feature with lots of potential use.

It seems that the SD card slot in the new MacBook Pros does count as a bootable device; all you have to do is install OS X onto a card, set it as the default boot device, and you’re good to go. Why ...