On 9/19/18 9:06 AM, Rodney W. Grimes wrote: > Yes, that is one of the catagories of rare, a EFI-32 bit system that > was originally shipped with a 32 bit only CPU, that later got upgraded > in the field with a 64 bit CPU, that still runs a EFI-32 bios. > Are you sure the 2007 firmware is EFI32? I would of thought > since they upgraded the base system to a 64 bit CPU they would > of shipped it with a EFI-64 bios. I'm not sure if there's a firmware upgrade for it, but I have a MacBook Pro from around that time that definitely has a 32-bit EFI: it only runs 32-bit binaries, and had a 32-bit version of MacOS X installed despite having a 64-bit Core2Duo CPU. -- RebeccaReceived on Wed Sep 19 2018 - 19:22:50 UTC
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