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Author Topic: Flash a MacPro 2010 with a 2012 Bios - Would that work?  (Read 1155 times)
overshoot
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« on: September 18, 2018, 01:32:47 PM »

Hi,

The title says it... out of curiosity... I want to flash the Bios chip from my 2010 MacPro with a Bios dump from a 2012 that I've found online.
Would that work?

I know there are no improvements whatsoever in the specs but I would be happy to see "Mac Pro 2012" showing up in "About this Mac".
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epromer
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« Reply #1 on: September 18, 2018, 04:34:43 PM »

The firmware of all 5,1 Mac Pros is the same.

It's the serial number that makes the About This Mac say that a Mac Pro is 2009/2010/2012. With 2009 and 2010, About This Mac gets the 3 last digits of the serial, queries an Apple server and then return the year. With 2012 on wards, it's the 4 last digits of the serial.

If you flash a dump from another Mac, you will loose iCloud/iMessage/Facetime access, for your Mac and the Mac you cloned. Do not do this.
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