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Old 09-26-2009, 07:07 PM
x986123's Avatar
x986123 x986123 is offline
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Posts: 199
NullCpuPowerManagment.Kext Causes slow boot! 10 Second difference!

I have just discovered for myself, that when using nullcpupowermanagment.kext, It causes a slower boot time!

With: 26.4 Seconds
Without: 16.2 Seconds

WOW! About a 10 second Difference!

I also noticed my shutdown with OpenHaltRestart.kext is MUCH faster without it. With it I get the blue screen with spinning wheel, without, as soon as I shutdown, it powers off. 1 second.

I heard OHR.kext requires NullCPM.kext... But it actually works better on my i7 setup. (Temperatures are the same with it in and out.)


OS: Snow Leopard Mac OS X 10.6.2 (10C540) | Vanilla Kernel | 64 bit Kernel | EFI64

CPU: Intel Core i7 920 @ 3.6 GHz
GPU: 2x SLI Dual GTX 260 (OpenCL working)(QE+CI)
RAM: 6GB DDR3 1600MHz 7-7-7-20

AUDIO: Realtek (5.1 config)
HDD: RAID 0- 1 + 1TB HDD's | 320GB HDD
MOBO: MSI X58 Platinum SLI (Intel ICH10)

CASE: Haf 932 Full Tower Case + Red Cathodes
MONITOR: Asus VK266H 26" 1920x1200 LCD

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  #2  
Old 09-26-2009, 07:20 PM
OG-Phantom's Avatar
OG-Phantom OG-Phantom is offline
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Join Date: Aug 2009
Posts: 64
Quote:
Originally Posted by x986123 View Post
I have just discovered for myself, that when using nullcpupowermanagment.kext, It causes a slower boot time!

With: 26.4 Seconds
Without: 16.2 Seconds

WOW! About a 10 second Difference!

I also noticed my shutdown with OpenHaltRestart.kext is MUCH faster without it. With it I get the blue screen with spinning wheel, without, as soon as I shutdown, it powers off. 1 second.

I heard OHR.kext requires NullCPM.kext... But it actually works better on my i7 setup. (Temperatures are the same with it in and out.)
I have noticed the same thing on my p45 system. Tho, without nullcpm my temps are noticeably higher. The i7 must deal with apple thermal management better than the older tech.

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  #3  
Old 09-26-2009, 09:07 PM
x986123's Avatar
x986123 x986123 is offline
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Join Date: Aug 2009
Posts: 199
I think it does work better, temperatures are the same, 29C no overclock and 36C @ 3.6ghz



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OS: Snow Leopard Mac OS X 10.6.2 (10C540) | Vanilla Kernel | 64 bit Kernel | EFI64

CPU: Intel Core i7 920 @ 3.6 GHz
GPU: 2x SLI Dual GTX 260 (OpenCL working)(QE+CI)
RAM: 6GB DDR3 1600MHz 7-7-7-20

AUDIO: Realtek (5.1 config)
HDD: RAID 0- 1 + 1TB HDD's | 320GB HDD
MOBO: MSI X58 Platinum SLI (Intel ICH10)

CASE: Haf 932 Full Tower Case + Red Cathodes
MONITOR: Asus VK266H 26" 1920x1200 LCD

All working
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