I can't remember the technical details and haven't touched this in years - but, it just wasn't this simple. It was something about the handover process from EF

I can't remember the technical details and haven't touched this in years - but, it just wasn't this simple. It was something about the handover process from EFI to bootloader and it was something really awkward... We got it working, but, any update seemed to wipe it unless you were careful and it just wasn't "production" grade.