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Possible to "deactivate" one core (Core Duo)
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Addicted to MacNN
Join Date: Oct 2002
Location: England | San Francisco
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Is it possible to make one of my Core Duo cores (Not Core 2 Duo) inactive?
Having some compatability issues, and the application launches fine if launched on a single core/processor box.
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we don't have time to stop for gas
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Professional Poster
Join Date: Nov 2004
Location: eating kernel
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Download Apples CHUD software. It will install a PrefPrane (and a lot of other dev tools) in Sys Prefs under "System" called Processor. You can shut the core off from there.
I'm surprised that you didn't know that peter 
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Signature depreciated.
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Addicted to MacNN
Join Date: Oct 2002
Location: England | San Francisco
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thanks
no need to be an ass about it though
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we don't have time to stop for gas
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Junior Member
Join Date: Oct 2004
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theres even an option to put it in tne menubar for quick access, if disabling the cpu does solve your problem
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Senior User
Join Date: Nov 2001
Location: Dallas, Texas
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That is cool. I assume battery time would be the benefit to doing this?
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Read my MacWebb column and other great Mac articles at Lowendmac.com
Owner of a MacBook Pro and various other Macs.
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Senior User
Join Date: Mar 2005
Location: Nevada (Not Las Vegas)
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I also am interested in this. Does the battery last any longer? What compatibility issues are you having?
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27" iMac C2D
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Junior Member
Join Date: Oct 2004
Status:
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I think it's actually detrimental to the battery- from my overservations its more efficient to split tasks over 2 cores then let one do the work. I haven't done any scientific studies, but in my experience turning off one core has caused my machine to run hotter and the fans are much louder
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