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Wednesday, May 09, 2007

Make your Vista to run faster in your UMPC

A few days ago I found a thread at OrigamiProject forum with a some registry keys that according to the author could speed up Vista a little bit in our devices.

Here are the two keys that needs to be changed:

HKLM\System\CurrentControlSet\Control\Session Manager\Memory Management\PrefetchParameters\

Change EnableSuperfetch from 3 to 0.

And:

HKLM\System\CurrentControlSet\Control\Session Manager\Memory Management

Change DisablePagingExecutive from 0 to 1.

You will notice a good improvement in Outlook 2007 and other applications. If you want to know what every key does and some tests result, check this thread.

Warning: Do no apply the second trick unless you have at least 1Gb of RAM.

Update: James Kendrick tested this hack just reported that all his issue with HDD trashing without reason has disappeared after applying this hack. In another hand, I just prepared a VBS Script to apply this hack.

Updated 2: Kevin is reporting that when the page excutive is disabled his Zune skips 20 seconds before the end of each song.

14 comments:

  1. I probably wouldn't try that last one unless you had 1G of RAM.

    ReplyDelete
  2. And who is thinking about to install Vista in less than 1Gb of RAM. ;)

    ReplyDelete
  3. What does it mean if you don't have this key?

    I have HKLM\System\CurrentControlSet

    but no session manager. Just Control, Enum, Hardware Profiles and Services.

    Mark

    ReplyDelete
  4. Ctitanic have you applied this Registry hack? If so have you notice any improvements? which UMP Device do you have? Thanks

    HG

    ReplyDelete
  5. this tip slow down everything. Don't do that!

    ReplyDelete
  6. funb, because you think so, or because you test it.

    The fact is that the Superfetch works if you have a machine with a lot of RAM, at least 2 GB of it. This page is about UMPC if you have not noticed. UMPC are sold with at most 1 GB, and my tests and the tests of many other people indicate that with that amount of RAM superfetch just does not do any good.

    ReplyDelete
  7. Hi there, I make this change and the PC is running like hell (and also I make previous another trucks).

    Thanks from GDL.MX

    ReplyDelete
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    ReplyDelete
  9. I am running vista premium 32 bit, 3 gigs of ram, dual core amd... I noticed whenever i quit a large game (more than 500 mb ram) my hd would thrash for at least a minute or two. i'm not sure what made me decide to disable superfetch in services, but after i did this, i noticed the lengthy disk thrashing after playing a game stopped completely. So i would highly recommend disabling superfetch if you have alot of ram and run large applications. However windows does greatly rely on use of a page file, and disabling the page file i would definatly *not* recommend doing.

    ReplyDelete

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