If the turbo number is 3.08, you have nothing to worry about, it's a function more of your bus speed running slightly below 100, than your cpu not running to the right turbo ratio. Your ratio is correct(ratio times system clock speed equals cpu clock speed 31x100, or in your case 31x99.99). Your system bus speed is just a touch light, and being a laptop, I'm betting your bios won't let you tinker with bus speeds.