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My notebook is too old for me to invest into a new fan (it will simply be replaced by a new one when the final heat death occurs), but when it runs on full speed I feel like sitting in front of a vacuum cleaner with integrated cooking... I'm currently using NHC, the Max Battery mode of which let's the CPU run at 50% (~800 MHz). That's fine for most applications, and both temperature and noise remain low. However, on some occasions I need a bit more speed, more around 75% maybe.

Can I set the power saving settings somehow so that the CPU won't surpass 75% of it's capability so that an acceptable compromise between power and noise is achieved? I can't set the CPU frequency in the BIOS and since on rare occasions I'd like to be able to switch to 100% without much hassling, hardware solutions like setting jumpers are no option.

This answer to a similar (linux!) question mentions NHC should be able to offer these options, but for me they are all greyed out:

screenshot of NHC with greyed-out options I ask for...

The notebook is an Asus Z9200K, I guess NHC doesn't support its chipset enough for these advanced options.

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related: superuser.com/questions/292936/how-to-slow-down-my-cpu but XP doesn't seem to offer these advanced energy saving settings –  Tobias Kienzler Nov 12 '11 at 13:56
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up vote 2 down vote accepted

I use RealTemp to modulate the clock to reduce processor loads and temps. Not sure if this will work with your processor or not.

Open RealTemp and click the settings button

. enter image description here

Then tick Clock Modulation and set the % of modulation you want, this is not % of processor power necissarily, so you may need a lower setting than you think, you may have to experiment some, I use 37.5% when encoding movies to reduce temps on a first gen core i5 processor in my Notebook.

. enter image description here

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aww... It looks like just what I wanted but it doesn't support the AMD Turion64 :-( still, +1 –  Tobias Kienzler Nov 14 '11 at 10:12
    
@Tobias Kienzler See if this one will work for the Turion...cpu.rightmark.org/products/rmclock.shtml –  Moab Nov 14 '11 at 15:51
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If you want to take the risk you could open your laptop and clean out all the dust. It can make a big difference.

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thanks, I already did that, it helped only litte - I guess the fan is past its best times... –  Tobias Kienzler Nov 12 '11 at 14:27
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