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Warning to those installing Vista on a Mac Pro: buy the right version
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Fresh-Faced Recruit
Join Date: Jan 2006
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Just realized after I cracked open my Home Premium edition of Vista that the Home versions of Vista only support 1 CPU. So, on my Mac Pro, it only uses CPU #1 and disables CPU #2. So, for those of you who want/need Vista on a Mac Pro, make sure you get Vista Business or Ultimate so you can use 2 CPUs.
Ed
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Addicted to MacNN
Join Date: Jan 2003
Location: ~/
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I believe you can pay to upgrade from one version to a higher version.
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Forum Regular
Join Date: Oct 2006
Location: Florida
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looks like im out of luck lol. wish i saw this thread sooner 
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Professional Poster
Join Date: Apr 1999
Location: Copenhagen, Denmark
Status:
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Originally Posted by ehchan 
Just realized after I cracked open my Home Premium edition of Vista that the Home versions of Vista only support 1 CPU. So, on my Mac Pro, it only uses CPU #1 and disables CPU #2. So, for those of you who want/need Vista on a Mac Pro, make sure you get Vista Business or Ultimate so you can use 2 CPUs.
Ed
According to this Vista Home Premium supports 2 CPUs and an unlimited amount of cores.
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JLL
- My opinions may have changed, but not the fact that I am right.
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Fresh-Faced Recruit
Join Date: Jan 2006
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They didn't get it right. Both Home versions are 1 CPU limited. I don't have a screenshot, but I played around a bit and used the installer to install several versions of Vista (luckily, I didn't activate my copy yet). I've verified that Home Premium is 1 CPU. Business and Ultimate both support at least 2 CPUs. Well, I'll probably use my copy of Home Premium for my Mini and buy Ultimate down the line for the Pro.
Originally Posted by JLL
According to this Vista Home Premium supports 2 CPUs and an unlimited amount of cores.
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Grizzled Veteran
Join Date: Aug 2002
Location: Central Texas
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Or you can go with what someone else said and just upgrade that Home Premium to Ultimate online.
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Fresh-Faced Recruit
Join Date: Jan 2006
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Originally Posted by alex_kac
Or you can go with what someone else said and just upgrade that Home Premium to Ultimate online.
Yeah, that's a possibility, but the upgrade from Home Premium to Ultimate is $159. An OEM copy of Ultimate is $199 ( Vista Ultimate from Newegg). I'd rather have another copy for $40 more for another computer...
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Fresh-Faced Recruit
Join Date: Aug 2001
Location: phx
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...between multiple CPUs and multiple-core CPUs. all version of Vista recognize and utilize both cores in coreduo and core2duo machines.
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Clinically Insane
Join Date: Oct 2000
Location: Los Angeles
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"The natural progress of things is for liberty to yield and government to gain ground." TJ
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Mac Elite
Join Date: Sep 2005
Location: Los Angeles, California
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Were you expecting anything less, Big Mac?
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Linkinus is king.
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Fresh-Faced Recruit
Join Date: Oct 2002
Location: Dallas
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