Given below are the steps, showing how to make a Mountain Lion bootable USB/SD Card/DVD drive using the Lion DiskMaker. Must note that Lion DiskMaker will erase the volume or the drive you chose.

Lion Diskmaker has been updated to allow you to make a bootable USB or SD Card installer on a 8GB piece of media. The process is straightforward: 1.

Boot from an SD Memory Card This is so cool that I'm just sitting here giggling about it. Many newer computers, with newer BIOS, are able to boot from a flash memory card.

For Windows users who want to create a bootable SD card for themselves, a little utility called CardTricks makes it pretty easy to do.

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 ...

A recent Apple KnowledgeBase article reveals that the refreshed 13-inch and 15-inch MacBook Pros can boot from the new SD card slot.