Memory Performance Tweak
August 1st, 2004 Leave a comment Visited 2644 times, 2 so far today
These Settings will fine tune your systems memory
management -atleast 256MB of ram recccomended
go to start runregedit -and then to the following key
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerMemory Management
1.DisablePagingExecutive -double click it and in the decimal put a 1 – this allows XP to keep data in memory now instead of paging sections of ram to harddrive yeilds faster performance.
2.LargeSystemCache- double click it and change the decimal to 1 -this allows XP Kernal to Run in memory improves system performance alot
3.create a new dword and name it IOPageLockLimit – double click it and set the value in hex – 4000 if you have 128MB of ram or set it to 10000 if you have 256MB set it to 40000 if you have more than 512MB of ram -this tweak will speed up your disckcache
Reboot and watch your system fly.
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DON'T BOTHER
The descriptions of these settings contain gross errors. They are best ignored.
DisablePagingExecutive:
This effects only a small portion of the Kernek. If you have. With a reasonable amount of RAM the kernel will hardley ever be paged out anyway.
LargeSystemCache:
As Microsoft clearly states, this is for servers only. For general use it will almost always be a bad thing. It can also cause severe problems with some common hardware configurations.
IOPageLockLimit:
This does absolutely dothing in XP. Support for this setting was removed as of Windows 2000 SP1. It has never been supported on any version of XP or Vista.
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Likehttp://mywebpages.comcast.net/SupportCD/XPMyths.html
http://www.tweakhound.com/xp/xptweaks/supertweaks11.htm
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LikeBe carefull with the LargeSystemCache switch. If you run a server it is very usefull however if, like myself, you have a gaming machine with lots of memory and use AGP Apature cache this can decrease performance greatly, as Microsoft mentions here:
"When you enable System cache mode on a computer that uses Unified Memory Architecture-based video hardware or AGP, you may experience a severe and random decrease in performance. The Drivers for these components consume a large part of the remaining application memory when they are initialized during startup."
Otherwise the rest of the suggestions here are great!
~j
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LikeWow very nice my system is flying...literally.
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LikeThanks this part was VERY HELPFUL.
3.create a new dword and name it IOPageLockLimit - double click it and set the value in hex - 4000 if you have 128MB of ram or set it to 10000 if you have 256MB set it to 40000 if you have more than 512MB of ram -this tweak will speed up your disckcache
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Likehow do you create a new dword
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LikeYou have givin an incomplete registry key.
HKeyLocalMachine => System => CurrentControlSet001 =>Control=>
Memory Management
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