Mountain Lion Support

[Mah9933]

Hello people, I'm new here. My name is Marcos and I one Mac user, I like PC too, used for years, but I prefer Mac. I need to use Mountain Lion system, but my Mac has EFI32 (Mac Pro 1.1) and supports up to Lion.

I know that it's possible to use Mountain Lion or newer, but I have some doubts:

1- As the motherboard uses an EFI32 configuration, if I run one 64-Bit system, it can crash the motherboard or the motherboard, graphics card, RAM etc... won't be crushed just because I am running one exclusive 64-Bit system?
2- As I have one 8800 GT 1st generation (I use one original graphics card for Mac), I am thinking about not downloading any drivers or CUDA drivers, just use the generic drivers, if I download drivers it can crash the graphics card, as it uses EFI32 system or it's ok to install Mountain Lion drivers?
3- I will have to flash the graphics card to EFI64 rom or it's ok running Mountain Lion with one 8800 GT (for Mac) with EFI32?

Thanks people!

 

[haralds]

Please search for some of the threads that explain how a custom boot.efi creates a shim to run 64bit system through El Capitan on the 1,1 and 2,1. Apart from the boot.efi file, the installation is pretty much stock.