2.53Ghz CPU not running at stock in Macbook Pro?

Hey Guys - dumb question, but I added a Windows XP partition on my MBP (running bootcamp). My version has the 2.53Ghz cpu, but when looking at the frequency it is running at in xp, I see it only hitting 1.6Ghz?
In the Properties for My Computer, it shows the right CPU, the right intended spec (2.53Ghz), and then the running frequency (1.6Ghz).
Now, I must admit that I am new to notebooks in general, so I am not sure if there are some other settings I need to consider to get the CPU to run at stock.
Message was edited by: Sammy5gs

The Intel T9400 2.53Ghz CPU has a very intuitive feature called SpeedStep. This automatically lowers the voltage and clock speed of your CPU when the CPU load is relatively load, to reduce power consumption. As the CPU load increases (running something more intensive), SpeedStep automatically rises the clock speed together with the CPU voltage, to maximise performance.
Just to put you in the picture. When surfing the web (non-flash sites), the CPU's clock is decreased (therefore decreasing power consumption, which results in more battery life), but when you are playing a game, the CPU's clock is pushed to its default (in your case 2.53Ghz), but decreasing battery life.
If you are not convinced with this explanation, try playing a video on youtube, or do something more CPU intensive and recheck the CPU frequency.
Hope this helps

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