Many web sites show this tweak. It loads the Windows Kernel directly into Ram memory rather than the slower Virtual Memory on the HD.
Make a backup of your registry before attempting any change in the registry. (Be very careful in the registry as you can cause a lot of damage here that can render your PC unbootable) See this thread for instructions.
Go to Start>Run. Type ‘Regedit‘ and hit enter.
In the registry editor go to the following key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Session Manager\Memory Management\DisablePagingExecutive
Double click the DisablePagingExecutive and change the value to “1“.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Session Manager\Memory Management\LargeSystemCache
Double click the LargeSystemCache and change the value to “1“.
Close the editor and restart Windows. Your computer should perform faster now.