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#21449 - 06/03/18 05:11 PM High Sierra on old Mac  
Joined: Oct 2000
Posts: 598
Michael H. Phillips Online content
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Michael H. Phillips  Online Content
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Joined: Oct 2000
Posts: 598
Dublin 6W
Had a fun weekend fooling my MacPro4,1 (early 2009) into thinking it was a MacPro5,1, thus allowing me to install High Sierra. Simples.


MHP
#21450 - 06/10/18 06:25 PM Re: High Sierra on old Mac [Re: Michael H. Phillips]  
Joined: Jan 2008
Posts: 4,135
Richard Bannister Offline
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Richard Bannister  Offline
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Joined: Jan 2008
Posts: 4,135
Dublin, Ireland
Yeah, I finally gave in and decided to run a patched High Sierra – the software I need wasn't running on 10.11, and I'm holding fire for the new generation Mac Pro.


Noli umquam docere porcum cantare; perdes tempus et irritabis porcum.
#21451 - 06/11/18 04:34 PM Re: High Sierra on old Mac [Re: Michael H. Phillips]  
Joined: Oct 2000
Posts: 598
Michael H. Phillips Online content
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Michael H. Phillips  Online Content
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Joined: Oct 2000
Posts: 598
Dublin 6W
That's a different method to the one I used and, had I known about it, is probably the method I would have opted for. I had to go through two firmware updates and a PRAM reset.


MHP

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