Increasing File System Caching

To increase the amount of memory Windows will locked for I/O operations:

1. Start Regedit
2. Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management
3. Edit the key IoPageLockLimit

4096 - 32megs of memory or less
8192 - 32+ megs of memory
16384 - 64+ megs of memory
32768 - 128+ megs of memory
65536 - 256+ megs of memory