Navigate the the location below in your registry and make the corresponding change.


Key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management]
Value Name: IoPageLockLimit
Data Type: REG_DWORD
Data:0 is the default

Use the table below to select the value for Data 

 

RAM  IoPageLockLimit
(MB)  Decimal Value Hex Value
4 4096 1000
8 8192 2000
16 16384 4000
32  32768 8000
64 65536 10000

It isn't recommended to jump large amounts.  Raise the value a small bit at a time until you are happy with the results.
For More Info see: http://support.microsoft.com/support/kb/articles/Q121/9/65.asp 

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