And change this Value from 0 to 1
Setting this value to 1 is useful when debugging drivers, because all of the code and data is always memory resident. It also improves performance on machines with a lot of memory, because it prevents disk reads to get code or data - According to Microsoft.
This hack has been included in the latest version of Tweaks2K2 PC Edition. You can find more tricks like this in the How-To section of Tweaks2K2.com