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Upgrade 8800GT EFI32 (for Mac Pro 1.1) to EFI64 (for Mac Pro 3.1)

A

AvDe

macrumors newbie
Original poster
I would just like to know if it is possible to upgrade a Nvidia 8800GT graphic card for Mac Pro early 2008 (Model Identifier: 1.1) to work with a newer Mac Pro (Model Identifier: 3.1).

Thanks for your answers!
 
AvDe said:
I would just like to know if it is possible to upgrade a Nvidia 8800GT graphic card for Mac Pro early 2008 (Model Identifier: 1.1) to work with a newer Mac Pro (Model Identifier: 3.1).

Thanks for your answers!
Click to expand...

It's been a while but I don't think the flash has enough room for the 64 bit version.
 
I made a stupid mistake and bought the wrong 8800GT card for my Mac Pro 3.1. I installed the card today and the system doesn't recognize it. Later I found out it's the version for Mac Pro 1.1 (EFI32).

I could put it in a Mac Pro 1.1 from my friend and flash it, if someone would assure me that this work.
 
as has already been stated, i don't believe the ROM chip is spacious enough to fit the 64 bit EFI ROM. Don't do anything until someone can confirm though
 
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