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All replies
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Helpful answers
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Sep 18, 2016 11:05 PM in response to Jason Sheenby kaz-k,I'm on the same boat except I updated firmware, so System Report says it's Mac Pro5,1.
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Sep 19, 2016 12:38 AM in response to Jason Sheenby lllaass,I have read that updating EFI on the 2009 (4.1) to that of a 2010 (5.1) allows installing the beta.
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Sep 19, 2016 1:44 AM in response to Jason Sheenby JAYT3CH,Since you have installed an SSD I think it should be able to handle Sierra fine
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Sep 19, 2016 2:41 AM in response to kaz-kby Jason Sheen,Hmm, interested I never knew that you could do that.
So I found this page - am I supposed to click on the Computer that I have now? Early 2009? or on the firmware that I want to have? MP51.007F?
About EFI and SMC firmware updates for Intel-based Mac computers - Apple Support
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Sep 19, 2016 12:48 PM in response to Jason Sheenby Jason Sheen,It looks like as well, it mentions that if you have OS X El Capitan installed already, you have to turn off SIP?
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Sep 19, 2016 1:13 PM in response to Jason Sheenby lllaass,When I updated the firmware on my 2009 a couple of weeks ago I just booted from a Mavericks disk I had alrady installed
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Sep 20, 2016 2:43 PM in response to lllaassby lllaass,I just successfully installed Sierra on my 2009 with 5.1 firmware update
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Sep 21, 2016 12:49 AM in response to Jason Sheenby lllaass,Use these instructions for updating firmware. You need to dowload the installer