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This Optimization tool provides some options to you for improve disk speed.

As the disk cache of Windows, virtual cache plays a very important role in system operation. Usually, Windows can auto-set the maximum memory to be its disk cache. However, virtual cache is a greedy system. Sometimes it takes up all memory to be its disk cache and free part of the memory for other programs only when they apply memory from Windows. So, it's necessary to set disk cache size to save the time which the system spends to calculate virtual cache and ensure the memory needs of other programs.

You can adjust the disk cache minimum value from 0 to 8192, maximum value from 0 to 40960 and cache read/write unit value from 0 to 4096 with the three regulating bars by entering Window disk cache page. Based on different memory size, the optimization tool will give you proper prompts during your operation, but it should be pointed out that these prompts only fit standard users. Your values may vary.

1. Quick response to application requests: If this option is chosen, when a program operated in Windows asks for user input or get a focal point, its window will pop to the top.

2. Automatically close unresponsive applications: If this option chosen, when Windows detects an application has halted, the system closes it automatically. We advise you to select it. (PS: This option is only valid to Windows 2000/XP/2003/Vista)

3. Disabled memory pages scheduling: Normally Windows XP will write fragments of memory to the hard disk. We can prevent it from doing so, to keep data in memory, because the speed of memory much higher than the speed of the hard disk, so it should be improve system performance.  Users with large amounts of memory can use this setting. (More than 1 GB) (PS: This option is only valid for Windows XP)

4. Enable large system cache: This option enables the opening of a large amount of space in memory to save files for further operation. If data applied by programs increases, windows can help the programs to get the data in a faster by pre-reading the data first. (PS: Enabling this option system cache will take up more  physical memory, and usable physical memory will be reduced. PC users or small system users can get better file system performance after selecting this option, but the overall performance of the system will be reduced heavily. What's more, problems might occur on the hardware drive or in applications. Network servers usually need more memory to buffer files, but PCs usually needs more memory to run programs, so we only advise only network servers to choose this option. Some software (e.g. SQL Server, Exchange Server, etc.) will auto select this option upon installation.)