Technics Player wrote:
"------just a normal dos format thus will not erase the partition table or restore a card formatted in the 7k back to 2GB, it will still be 1GB with the rest unusable."

That's strange because I've restored three 2GB cards to the full 2GB when they previously only allowed access to 1 GB. A normal dos format without the /X switch would not correct the problem.
Try it, you can't hurt anything and you might like it.