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Overclocking for Newbies - PCWorld. Overclocking refers to pushing your computer components harder and faster than the manufacturer designed them to go.

Overclocking for Newbies - PCWorld

The initial pitch is seductive: Buy a slower, lower-cost CPU; juice up the clock speed; and presto! You have a cheap, high-end processor. Of course, it's not that simple. Overclocking can certainly speed up your system (and save you some cash in the process), but only if you do it right. We're going to talk about some of the basics of overclocking--what it really is, some of the basic math behind overclocking and how you might push your own system a little harder and faster.

Though overclocking is a complex topic, we'll to keep the discussion here as simple as possible. We will, however, talk about core CPU multipliers and memory clocks, and how the two relate to each other. What Is Overclocking? Simply put, overclocking means setting your CPU and memory to run at speeds higher than their official speed grade. Disclaimers and Myths Not necessarily. Bare-Bones Basics. Try iOS 4 for the iPhone Right Now - PCWorld. If you're champing at the bit to try out iOS 4, the iPhone's next operating system, and don't mind taking risks with your iPhone, you're in luck.

Try iOS 4 for the iPhone Right Now - PCWorld

Several blogs are claiming you can try it out now. Apple recently released the near final version of iOS 4 to developers known as the gold master build. After Apple's release it didn't take long before iOS 4 was leaked online and available for anyone to download. An industrious hacker has also released a jailbreak tool for iOS 4 for the iPhone 3GS, essentially making the new iPhone OS jailbroken. iOS 4 for all Several blogs have detailed instructions about how you can get iOS 4 on your device right now. But if you've got an iPhone and a Mac all you have to do is download the beta version of iTunes 9.2 and install it on your system just like you would any other application. Judging by the comments left on blogs around the Web most people are able to get iOS 4 working on their iPhone without much hassle. Jailbroken iOS 4. Turn Any MP3 into an iPhone Ringtone - PCWorld.

Back when I was a Palm Centro owner, I used the excellent freeware app MiniTones to turn Brendan Benson's "Spit It Out" into my ringtone.

Turn Any MP3 into an iPhone Ringtone - PCWorld

But when I upgraded to an iPhone, I discovered that iTunes charges 99 cents for ringtones--even if you already own the song. My cheapskate nature doesn't allow for that. (It's not the money, it's the principle of the thing.) So I decided to "roll my own" iPhone ringtone, which turned out to be a fairly easy process. Start iTunes and find the song you want to convert. That's all there is to it! The Best Fitness Tech - PCWorld. With personal trainers producing YouTube fitness videos, iPod Nanos sporting pedometers, and yogis practicing tree pose using the Wii Fit--technology has become one of the best ways to set and maintain fitness goals.

The Best Fitness Tech - PCWorld

We consulted sports professionals, fitness enthusiasts, and tech companies to find the latest and most interesting hardware, software, and Websites that you can use to get in shape and stay the course. General Fitness Gadgetry A portable music player is still as important to workouts today as it was when the first wave of yellow Sony Walkmans hit gyms in the early 1980s. (For more tech oldies, see "The 50 Greatest Gadgets of the Past 50 Years. ") One new fitness-focused model is the Philips Activa ($130), which adds workout software to a combination portable media player and FM radio. The ultimate athlete's gadget is a heart-rate monitor. Want the pedometer sans the iPod? Next: Nutrition and Weight Loss.