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This must be a different system to the one you "recently aquired". 
A 3.0Ghz P4 should be fast enough for any OS task... but perhaps your contemplating overclocking because you are trying to get higher framerates in your favorite PC games? Well, regardless of your motive, heat will be the limiting factor in your quest, which is why your fan will let you down big time. Presumably, your P4 is a Prescott, which means your fan will be working hard to cool down merely your default clock temps. I don't have any recent figures of P4 Prescott OC results on air, as I do not follow that information with zest. If you want an accurately estimated figure, you can ask others from PC hardware/ enthusiasts sites, though they will probably prompt you for an endless list of specs and configurations before they help .
Overclocking is said to be safe, so long as you don't go wild with voltage settings. The system will either start, or it won't. Though if your running as close to the highest clock possible on your system, it may not be stable.. resulting in crashes when you run processing intensive programs.
If you are just looking for OS performance increases, you can always tweak your OS. |