n To create a new partition, confirm all defaults except File-System type.gdisk /dev/sdX (Replace X with the letter for your SDXC card - Confirm prompts).Most of these commands require you to be running as root, either prepend with sudo or su and then:
It took me several trials but I got it to work by formatting on Linux where it stays readable. The catch is that on some versions of Windows, the resulting card is not always readable.
