P-States?

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gaya
Posts: 1
Joined: Thu May 28, 2015 8:30 am

P-States?

Post by gaya »

Hi,

as the subject suggests... In the BIOS I can find 8 P-States. I have no idea what they do. Pstate 0 -Pstate 7. In the OS I can see the device is on 800MHz all the time, no matter whether I set Pstate 7 or 0. I only noticed with a wattmeter that P-State 0 comes up with one watt less of idle consumtion (7-8W compared to 8-9W). I'm trying to reduce the wattage of that device, so I thought I could go with higher P-States similar to the Sleep states, C-State.

rgds

irads
Site Admin
Posts: 2364
Joined: Mon Mar 16, 2009 2:11 pm

Re: P-States?

Post by irads »

To reduce power you can lower max TDP of CPU in BIOS and set mSATA to min-power.
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Irad Stavi
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