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Wednesday, February 27, 2008



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written by: Ukion in
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Speed up your Windows - load kernel into memory


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This is very unusual trick for speed up your windows and also your computer. As you now, Windows use kernel directly from hard disk. With this trick you can force Windows XP to load the kernel, and drivers into computer memory. Performance of windows after restarting will be visible immediately.


Steps:
  1. Open the regedit tool (Start -> Run -> regedit.exe )
  2. Use the navigation in the left and go to HKEY LOCAL MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management
  3. Double click the DisablePagingExecutive attribute, and put 1 in the decimal value field. This will make the drivers and the XP kernel run in memory.
  4. Double click the LargeSystemCache attribute, and put 1 in the decimal value field. This will improve performance of the kernel
  5. Double click the IOPageLockLimit attribute. On some later versions of windows XP that doesn’t exists, so if this is the case you’re done. Otherwise you have to put to the hex value : 4000 for pcs with 128 mb ram, 10000 for 256 mb ram and if you have more put 40000. This value specifies how many bytes can be used for I/O operations in your system.
Restart, and notice an improvement quickly in your computers speed.

WARNING: It is dangerous to make changes in the system registry unless you know what they do. This tweak is for advanced users only!

Technorati Tags: Windows, XP, speed, speed up, trick, kernel, load kernel into memory, slow, fast, memory, RAM, OS, system, ukion, detector, restart windows, better performance

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written by Ukion on Wednesday, February 27, 2008  

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3 comments:

Anonymous said...

great trick! windows speed on my PC increase for over 50%. thank you.

March 1, 2008 at 3:29 PM
Anonymous said...

WARNING!
It is dangerous to make changes in the system registry unless you know what they do. The explanations provided here are inadequate and mostly wrong. It is strongly advised that all 3 of these tweaks be avoided. They do not work as described. The "LargeSystemCache" setting can cause serious problems with some hardware configurations.

You have been warned.

References:
http://home.comcast.net/~SupportCD/XPMyths.html

Larry Miller
Microsoft MCSA

December 30, 2008 at 6:43 PM
Anonymous said...

Hey Larry!

People sometimes say: first jump and than say hop. Obviously you don't do any of this steps, but you made just unproved conclusion. From your referneces I find that:

"LargeSystemCache determines whether the system maintains a standard size or a large size file system cache. Increasing the size of the file system cache generally improves file server performance, but it reduces the physical memory space available to applications and services".

So, if you have enough ram memory I see nothing wrong about modification of this parameter. Obviously Microsoft don't like changes in the registry and it is behind this comment.

You are right about one: It is dangerous to make changes in the system registry unless you know what they do.

I will add to the post that this is only for advanced users. Thanks!

PS. Which "3 of these tweaks", the post has 5? Please read the post.

December 31, 2008 at 9:54 AM

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