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MBP people: anyone tried using CHAD to disable 2 core?
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Mac Elite
Join Date: Jun 2005
Location: UK
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Not that it makes any difference to me as I neither own a MBP nor plan on getting one, but I was messing aronud on my iMac, and I put CHAD on it from the developer tools on the iMac disks, and this allows me to disable one core of the processor. I was just wondering, if you do this on the MBP, would this not increase battery life significantly when on the road and just using Safari, word etc?
Just a thought for you who are not totally satisfied by the somewhat average battery life on your shiny new laptop
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iMac Core Duo 1.83 Ghz | 1.25GB RAM | 160HD, MacBook Core Duo 1.83 Ghz | 13.3" | 60HD | 1.0GB RAM
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Junior Member
Join Date: Jan 2006
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Originally Posted by harrisjamieh
Not that it makes any difference to me as I neither own a MBP nor plan on getting one, but I was messing aronud on my iMac, and I put CHAD on it from the developer tools on the iMac disks, and this allows me to disable one core of the processor. I was just wondering, if you do this on the MBP, would this not increase battery life significantly when on the road and just using Safari, word etc?
Just a thought for you who are not totally satisfied by the somewhat average battery life on your shiny new laptop
Actually, contrary to the popular belief, disabling one core will NOT improve your battery life. The two cores run in sync at lower speeds, and disabling one will cause the other to kick into "high gear", lowing your battery life!
Hope that helps. 
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(sold)12" 1.33ghz iBook G4 512mb Ram [my first osx mac, way too slow]
(sold)15" 1.67ghz 1gig Ram Powerbook [I need more power a.k.a. Macbook]
15" 1.83ghz 1gig Ram MacBook Pro
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Mac Elite
Join Date: Jun 2005
Location: UK
Status:
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iMac Core Duo 1.83 Ghz | 1.25GB RAM | 160HD, MacBook Core Duo 1.83 Ghz | 13.3" | 60HD | 1.0GB RAM
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Admin Emeritus  Join Date: Oct 1999
Location: Zurich, Switzerland
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P.S. It's "CHUD", not CHAD!
tooki
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
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The Centrino power management goodness can disable one core anyway if system load permits. Disabling one core yourself will only lead to lower performance and possibly shorter battery life (two cores at 800Mhz may burn less than one at 1.6Ghz).
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Mac Elite
Join Date: Jun 2005
Location: UK
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outcome of thread = my bad
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iMac Core Duo 1.83 Ghz | 1.25GB RAM | 160HD, MacBook Core Duo 1.83 Ghz | 13.3" | 60HD | 1.0GB RAM
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Mac Elite
Join Date: May 2005
Location: West LA
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your logic makes sense to me, turn off half the computer to save battery life. oh well.
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