The NVIDIA System Utility?part of NVIDIA's ForceWare software solutions for NVIDIA nForce2-based and NVIDIA nForce3-based motherboards?is the safe way to change bus speeds and memory timings and to tweak voltages. All changes can be done from within the Windows interface?you no longer need to make changes in the BIOS and reboot your system. And, if you push your system too far, it is easily recovered when rebooting, since you have not written directly to BIOS. Now enthusiasts can safely overclock without worrying about corrupting their BIOS.