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Guyver
Fanfold Paper
Posts: 1
Registered: ‎10-24-2013
Location: Canada
Views: 1,340
Message 1 of 4

Y510P SLI 750M unable to game in battery mode GPU=135Mhz

Hai, I'm aware the y510p has a weak battery, I'm not expecting full performance but I'm still in disbelieve that it would limit the GPU clock way down to 135MHz in battery mode.

(when I plug in the power supply, the core clock jumps from 135 MHz to 1058, and the memory clock jumps from 405 to 2499 MHz)

I also tested with just 1 GPU and getting same results.

 

Also tried:

 

- adjusted the Power Management Software (Ver. 8.0.2.4) Select Performance mode. (mentioned in a few other forums)

 

- adjusted Maximum Processor State to 99% (In battery mode, turbo boost will not be activated so stays at 2.4ghz)

 

Any of other Y510p owners getting same issues? is there any workaround? or just the fact you can't do any gaming in battery mode?

micman
What's DOS?
Posts: 3
Registered: ‎10-20-2013
Location: Michigan, USA
Views: 1,253
Message 2 of 4

Re: Y510P SLI 750M unable to game in battery mode GPU=135Mhz

Yeah same here. I didn't check as in depth as you did to find the clock speeds of the GPU's and CPU but I can't game in SLI or even manually setting to Single GPU in nVidia control panel while running on battery.
Guru
Posts: 774
Registered: ‎07-24-2013
Location: AU
Views: 1,248
Message 3 of 4

Re: Y510P SLI 750M unable to game in battery mode GPU=135Mhz

You can force GPU performance state using Nvidiainspector:

http://forum.notebookreview.com/gaming-software-graphics-cards/677169-nvidia-mobile-kepler-6xx-maste...

 

I do not know if it is safe though. You should avoid using SLI with forced performance state I guess.

====================================
I'm an INsider - not a Lenovo employee.
You can find me in gaming, Ideapad and Thinkpad forums most of the time.
surjoseng
Blue Screen Again
Posts: 31
Registered: ‎09-11-2013
Location: Kolkata
Views: 1,221
Message 4 of 4

Re: Y510P SLI 750M unable to game in battery mode GPU=135Mhz

Same here buddy.  SLI doesnt run without power. 

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