Re: Has anybody installed "lidded" processors in a Mac Pro 2
Posted: Wed Apr 13, 2016 11:11 am
So turns out EFI was not updated by seller. Not working under Yosemite. Happily you've posted solution in the your main thread:HCMarkus wrote:Don't forget to update EFI before using either method, or your new CPUs won't be recognized and your Mac won't boot.
HCMarkus wrote:Updating this thread for the benefit of anyone who might have missed it before or is contemplating what is still the best deal in Mac computing for audio work.
I just flashed another 2009 from 4,1 to 5,1 successfully. Had a little trouble making the EFI update stick initially, remedied by booting under OS 10.8.5 and using a patched version of the updater available here:
http://forum.netkas.org/index.php/topic,852.960.html
See Reply 966 for pigsyn's patched EFI updater.