It's interesting as it is an Intel chipset.
Folks have known how to make Linux into an EFI-replacement for several years. I have heard that Linux can easily replace EFI, and is loaded after PEI. PEI has most of the really secret sauce anyway. I wonder if this is what asus is doing?
I guess there is demand for this, I bet there could be way more demand for Linux in FLASH than for EFI, if more people knew that companies can put Linux in FLASH in place of EFI.
Open source continues to push proprietary, closed solutions out of its way.
ron