Am i correct in it dont work on a GPT disc...

I have installed it to the EFI partition on the drive i have Lion on and when it "boot" the drive it say:

GPT Start!
GPT Error!

I have the EFI folder on the EFI Partition and on the first Partition where Lion is installed.

Also on another note iBoot here dont like my DX58SO motherboard it trows out a error on it.