PMPatch is obsolete and not supported by me anymore.
I have developed the successor of it, UEFIPatch, which is both more universal and reliable, and uses UEFITool's engine for proper UEFI modification.
Bug reports are welcome.
To any new readers of this topic: it's you who takes all the risk of bricking your board, it's you who is responsible for all things that you do to your PC, not me or any other developer out there!
BIOS modifications are risky by their nature, please be aware of it and don't blame me if anything is gone wrong for you.
Old PMPatch post and FAQ is in spoiler below: