Power Management problem on Sandybridge laptop

[GiaThy]

Hello everyone

I have recently installed Yosemite 10.10 on my laptop, which is Acer 4749Z|i7-2620M|HD3000|8GB Ram|500GB HDD. I used Unibeast to create a installer USB with Legacy boot mode.

After installing it, i have installed many kexts, patched DSDT, SMBIOS (Macbook Pro 8,1). Everything work just fine, very smooth.

But when i check speedstep, there are only two step (800MHz and 2700MHz). My laptop is very hot when running and battery drain quite fast.

So i want to ask if anybody know how to add more, or even custom speedstep.

Thanks a lot.

 

[RehabMan]

Hello everyone

I have recently installed Yosemite 10.10 on my laptop, which is Acer 4749Z|i7-2620M|HD3000|8GB Ram|500GB HDD. I used Unibeast to create a installer USB with Legacy boot mode.

After installing it, i have installed many kexts, patched DSDT, SMBIOS (Macbook Pro 8,1). Everything work just fine, very smooth.

But when i check speedstep, there are only two step (800MHz and 2700MHz). My laptop is very hot when running and battery drain quite fast.

So i want to ask if anybody know how to add more, or even custom speedstep.

Thanks a lot.

https://www.tonymacx86.com/threads/guide-native-power-management-for-laptops.146870/

 

[walkiry2400]

Hello everyone

I have recently installed Yosemite 10.10 on my laptop, which is Acer 4749Z|i7-2620M|HD3000|8GB Ram|500GB HDD. I used Unibeast to create a installer USB with Legacy boot mode.

After installing it, i have installed many kexts, patched DSDT, SMBIOS (Macbook Pro 8,1). Everything work just fine, very smooth.

But when i check speedstep, there are only two step (800MHz and 2700MHz). My laptop is very hot when running and battery drain quite fast.

So i want to ask if anybody know how to add more, or even custom speedstep.

Thanks a lot.

Hello GiaThy can you please send me your EFI folder