Performance

don't use swap file unless really needed

For Users with 256 MB RAM or more this tweak will boost their Windows - and Game-Performance.
What it does: It tells Windows not to use any Swap File until there is really no more free RAM left.

Open the System Configuration Utility by typing msconfig.exe in the RUN command. There in your System.ini you have to add "ConservativeSwapfileUsage=1" under the 386enh section.

 

The next few memory tweaks are performed using the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\
Session Manager\Memory Management\

1- Disable Paging Executive

In normal usage, XP pages sections from RAM memory to the hard drive. We can stop this happening and keep the data in RAM, resulting in improved performance. Note that only users with a large amount of RAM (256MB+) should use this setting. The setting we want to change to disable the ’Paging Executive’, as it is called, is called DisablePagingExecutive. Changing the value of this key from 0 to 1 will de-activate memory paging.


2- System Cache Boost

under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\
Session Manager\Memory Management\


If you have at least 256 MB of RAm, then you should do this:
Changing the value of the key LargeSystemCache from 0 to 1 will tell Windows XP to allocate all but 4MB of system memory to the file system cache, basically meaning that the XP Kernel can run in memory, greatly improving it’s speed. The 4MB of memory left is used for disk caching, but if for any reason more is needed, XP allocates more. Generally, this tweak improves performance by a fair bit but can, in some intensive applications, degrade performance. As with the above tweak, you should have at least 256MB of RAM before attempting to enable LargeSystemCache.

 

Prioritizing IRQs

Go into the Device Manager and look through your System Devices. The only tweak most people should do is to IRQ 8 which is the System CMOS/real time clock. It should be IRQ 8, but check the resource properties to be doubly sure. If they are then fire up 'regedit' and find HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\PriorityControl. Now you'll need to create a new DWORD value. You'll want to call this IRQ8PRiority and set the data to 1. Reboot and you should see another speed increase.

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