Optimize the System Cache Size

System Key: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ Session ManagerMemory Management]
Value Name: LargeSystemCache
Data Type: REG_DWORD (DWORD Value)
Value Data: "0" for Desktops; "1" for Servers

Reference: http://www.winguides.com/registry/display.php/931/