Attention N200 Owners, I found a fix for the fan

In an attempt to improve battery life, I made an important discovery. Apparently lenovo is using the desktop CPU P States instead of the mobile ones. With my T7200 running at 2GHz, this means it's using 1.35V instead of the 1.225V it's supposed to be. This mistake on lenovo's part means increased heat output and a fan that has no idea how fast to run. Here's how to fix it:
1. Download and Install RightMark CPU Clock Utility. http://cpu.rightmark.org/download.shtml
2. Open the utility and select "Advanced CPU Settings" in the pane on the left side.
3. Towards the bottom under "Intel Core 2 Family Advanced Features", change the "CPU type selection" setting from desktop to mobile.
In order to make this change stick, you have to make the RightMark CPU Clock Utility run at startup.
1. Click on settings in the pane on the left side.
2. Check the box next to "Run at Startup"
3. Select "via Startup Folder" in the pull down box.
4. You may also want to check the "Start Minimized to Tray" box above, or the main window will open every time you start the computer.
Untill lenovo does something about this problem, this is all you can do. However, you will see an improvement in battery life and a reduction in noise, along with a fan that does not have ADD.
Moderator Note; converted to clickable link
Message Edited by andyP on 04-15-2008 09:23 AM

@iamdh
He doesn´t change the voltage of the CPU fan which could indeed be a little risky. He changes the voltage of the CPU which is according to CPU-Z by default (http://www.cpuid.com/cpuz.php) a little higher than the default voltage of the CPU.
I also noticed this before and did exactly the same with my 3000 N200. The difference is just that my N200 has a T5250 CPU but as it seems the same overvoltage problem. With his workaround the heat and powerconsumption is especially under high load reduced, resulting in a higher runtime.
On the other hand this has hardly any effect on the fan spining up an down when the CPU is idle.
Sorry, small addition:
I used another way to get the "right" voltages for my CPU. When I open RMClock my CPU already is marked as an mobile CPU, so this is not the problem in my case. But you can also change voltages for the different Pstates in RMClock manually. And this is what I did to get the default voltages for my CPU. Interested ones can find the necessary information here http://forum.notebookreview.com/showthread.php?p=2637648 (They describe how to undervolt a CPU but as a start it is just enough to supply the CPU with the default voltage instead of the "higher than above" voltage supplied by for example my 3000 N200)
Just for information: The default Voltage of my T5250 CPU is 0.95 Volt at idle and 1.25 at load. According to CPU-Z my CPU gets 1.063 Volt at idle and 1.363 Volt at load.
Message Edited by oNeill on 04-15-2008 05:35 PM

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package {
    import flash.display.Sprite;
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    import flash.events.TimerEvent;
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