Windows Legacy OS forum

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Prefetch always empty???

by tcantrelln / October 6, 2004 10:34 PM PDT

One computer I have ( Intel 865 / P4@3.0) XP pro-sp2, I go thru the routine of clearing old tmp files-clean out prefetch folder on all 4 computers at home about once a week-noticed this one box never has anything in prefetch except something about "Ntosboot", box appears to run fine, no recollection of prefetch behavior before sp2 (7-8 weeks ago), casual search of Google didn't really show me a path to follow- or should I just rejoice that prefetch acts this way- told this at work and rec'd replies like " I wish mine would do that" TIA

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Found it-
by tcantrelln / October 6, 2004 11:03 PM PDT

Whilst finishing initial post, thought of something to look for-searched registry for 'Prefetch', found an instance in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\PrefetchParameters which had the magic words 'EnablePrefetcher' and the computer in question had a value of '6', checked others and several had '1', and one had '3', so I backed up registry for the key, changed the EnablePrefetcher to '0', rebooted, changed to '1', rebooted and now the prefetcher works like the others,(BTW computer has 512Mb of ram)...

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Corrected link. Documented.
by R. Proffitt Forum moderator / October 7, 2004 12:20 AM PDT
In reply to: Found it-
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Documented ...
by R. Proffitt Forum moderator / October 6, 2004 11:15 PM PDT
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Re: hi Bob... you finally "give a man a fish"
by jonah jones / October 6, 2004 11:26 PM PDT
In reply to: Documented ...
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Re: hi Bob... you finally "give a man a fish"
by R. Proffitt Forum moderator / October 7, 2004 12:22 AM PDT

Thanks for pointing that out. I had shortened the link too much.


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Thats OK-
by tcantrelln / October 7, 2004 1:06 AM PDT

I posted the 'anded' words and found the google pages, then tried the "set dword option to '2' " and rebooted several times and thats the way I'm going to leave it...(until I change my mind) one laptop with smallish memory I set to '0' and think that will be where I leave it... still have no idea how or why it was ever set to 6...thanks a KG

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