Actually, when any form of throttling is disabled, there is a decrease in performance that might or not be small. But lowering the minimum performance level does cool the laptop a bit. I have mine at 65% as it always gives me 1.4ghz minimum, but I'd also like to hear more opinions.
On Jul 13, 9:04 am, Zentradis <[email protected]> wrote: > Hello guys > I felt the urge to tell you what has been happening to me lately, I've > got a hp 6720s x3100 C2D T7250 @2,00 Ghz > Yesterday I installed Everest and it showed that on max performance my > cpu temp was about 90°C !!!! > I was astonished (I expected my lappy to be burning at that > temperature). > After searching the net I found that windows 7 has an advanced feature > in the power saving options that allows to keep the cpu at the fastest > speed possible EVERYTIME (thus not scaling speed to meet the actual > needings of power) after disabling it my cpu temp dropped to MAX 75°C. > Please note that "disabling" that option appearently doesn't affect > performance (actually the option itself tells the system to never let > the cpu go under xx% of its speed forcing it to stay at always at top > speed and so causing it to make a lot of heat) > Here's the trick: > Go to control panel>power saving> then choose balanced or high power > energy profile and choose to modify the profile preferences> then > choose advanced options > scroll down to processor power saving > > you'll see 3 features: > minimum/maximum performance level and system cooling criterials. > If you look carefully you will see that in the minimum performance > level when the pc is not relying on battery is set to 100%. As I said > this forces the cpu to be always at its most power, actually this > dramatically increase heat (wich is a bad thing since our gma is > passively cooled and this add more heat so gpu heat + a lot more cpu > heat than needed = toasted lappy for breakfast). So I set the minimum > performance level at 5% like it is in energy saving mode and my temp > dropped to max 75°C. > I repeat that this doesn't seem to affect performances since the cpu > is still able to be used at its best, but ONLY WHEN THIS IS REALLY > NEEDED, anyways just tell me if I'm wrong. > I wanted to share this with you guys as it really helped me (it is > summer here in Italy so I was really lucky my pc didn't fry) > Needless to say I will go for a "cleaning vents process" too. > I just wanted to give an advice to everybody here, even if you don't > think you risk overheat, spend a couple of minutes in checking your > cpu temps with everest or SpeedFan if you have 7 installed, you'll > avoid bad surprises in the future. > PS Im using an italian wersion of windows so I'm not sure that the > menus and the config voices are translated correctly, I hope you'll > find'em anyway. > PPS the system cooling criterials are "active" or "passive" I think > this has somehing to do with active and passive dissipators but I'm > not sure, help is appreciated. -- 9xx SOLDIERS SANS FRONTIERS
