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Piter Power

Piter Power

Member Since 04 Aug 2011
Offline Last Active Nov 28 2012 08:55 PM
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how to control fan speed via DSDT?

09 November 2012 - 11:22 AM

Hello, since my notebook is very noisy and the fans are always on even if the CPU is idle i was wondering if there's a method to control fan speed;
I've tried to install programs such as smc fan control but no fan is detected (I have the same problem also in Windows).
So maybe is possible to slow down the fans via DSDT.
Here is my DSDT.
In the fan section there are just 3 methods for every fan: _STA _ON _OFF..no methods for speed or stuff like that..
If you have any ideas let me know
Thanks

wake reason: glan ehc1 ehc2

02 November 2012 - 07:10 AM

Hello

on my samsung np200 laptop I'm able to boot WITHOUT the NullAppleIntelCPUPowerManagement so the sleep is working properly

but the pc wakes up immediately

I wrote this command on terminal

syslog -k Sender kernel -k Message Req Wake

and Wake Reason is GLAN EHC1 EHC2

So I applyed EHCI patch and then sleep works, but in a very strange way: I have to press the power button several times and then i

have to press a key on the keyboard to enable the screen; also when i close the lid its not going to sleep..

What else can I try? Maybe I can just edit _PRW and _PSW methods from GLAN and EHC1 EHC2?

Thanks

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