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I ad no problem with speedstep in Leopard 10.5.8. Coming to SL 10.6.2, now I cannot find any speedstep kext or apps for me to run. My laptop battery runs from 100-0 in just 55mins where it can last nearly 2hrs with speedstep. Haha.. I tried IntelEnhancedSpeedStep.kext but to no avail. I guess its only for 32bit kernels.

 

Any body with any idea can advice and enlighten this lost boy over here? Im left with this to get a perfect hackintosh.

 

Intel Core 2 Duo P7350 2.0GHz on HP dv5 Laptop.

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  • 2 months later...
I know this probably sounds stupid, but how can you tell if speedstepping is enabled? Besides how long your battery lasts?

 

Yes, I would like to know this also! How does one know from Snow Leopard (not Windows) installation if speedstepping is enabled, and what should be the procedure if it is not?

 

I read this in InsanelyMac Lounge>The X Lab:

 

http://www.insanelymac.com/forum/index.php...t&p=1283702

 

I can't find AppleIntelCPU.kext in System/Library/Extensions. I do have ApplePLC.kext.

 

Also to use VoodooPState.kext which seems to be required for speedstep I read this post:

 

http://www.efixusers.com/showpost.php?p=71...mp;postcount=10

 

I really don't want to install VoodooPState.kext directly into System/Library/Extensions as indicated. Does not Apple support speedstepping for their Intel quad processors in Snow Leopard?

 

Apparently NOT! Read this - scary!

 

http://www.macosxhints.com/article.php?sto...090309054944734

 

It applies to Leopard I assume, not Snow Leopard, but I have yet to read a clear, concise procedural method for speedstepping Snow Leopard that does not involve mucking with DSDT, and most of those tried by others seem not to work. Check out the full X-Lab thread above.

  • 2 months later...

depending on time u wish to spend at learning stuff + motivation to get vanilla speed-step with AppleIntelCPUPowerManagement.kext and the distribution you were setting up, my friends, u can go ACPI hacks.

 

Greetz,

depending on time u wish to spend at learning stuff + motivation to get vanilla speed-step with AppleIntelCPUPowerManagement.kext and the distribution you were setting up, my friends, u can go ACPI hacks.

 

Greetz,

 

 

Totally agree;)

use cpu-x to monitor speeds (you should note the fluctuations if speedstep's active):

 

No.

 

CPU-x doesn't do that unless you're using the Voodoo Kernel. Otherwise it just shows the CPU's factory maximum speed.

 

Well maybe some voodoo speedstepping extension will work too, not sure. But CPU-x does not do anything if you're using AppleIntelCPUPowermanagement.kext.

 

All the information you need to get CPU state switching working is here:

http://www.insanelymac.com/forum/index.php?showtopic=181631

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