Windows XP contains several tweakable memory settings in the registry, one of which is the DisablePagingExecutive registry key. This controls whether the operating system will transfer its essential driver and kernel files to the ‘virtual memory’ (the page file on the hard disk). It defaults to allowing this.

Obviously, transferring portions of the system to hard drive memory can considerably slow things down, and it appears that Windows XP does this periodically, whether or not the system is actually low on physical memory (RAM).

If you have 256MB of system memory or more, try this registry tweak to force Windows to keep its operating data in main memory: (more…)

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To save on Random Access Memory (RAM), Windows uses your Page File as a sort of cache. This can slow down your PC’s overall performance. To remedy this situation, Windows XP has an option that allows users to clear the Page File when you shut down Windows. While this tweak tends to lengthen the shutdown time, it does have its performance benefits.

To set the computer to clear the page file without directly editing the registry is:

1. Click on the Start button
2. Go to the Control Panel
3. Administrative Tools
4. Local Security Policy
5. Local Policies (more…)

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Just because Windows Vista is such a resource hog, the operating system features the Windows Experience Index, a rating system designed to measure the capability of the computer’s hardware configuration in order to assess the overall performance of the machine through a numeric base score. The algorithm for determining a base score ranging from 1.0 to 5.9 is directly connected with the processor, physical memory (RAM), graphics, gaming graphics and the primary hard disk. However, there are a few contexts in which the Windows Experience Index, the mechanism at the basis of the system rating will present and erroneous score for the hardware configuration.

This is a problem observed following the commercial release of the operating system back in January 2007. (more…)

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