HardwareSecrets posted a tutorial to learn people how to overclock your RAM memory in order to increase your computer performance without spending a dime.
Here is a snippet:
A lot has been said about CPU and VGA overclocking, but it is also possible to overclock your RAM memory in order to boost your PC performance without spending a penny. Memory overclocking is done through the motherboard's setup (you can enter the setup program by hitting the Del key during the memory counting that appears everytime you turn your PC on), almost always on the same menu where the CPU clock takes place (usually called "Frequency/Voltage Control" or similar). Read more at HardwareSecrets