Easy tweak to lower AXP temp on KT266/A chipsets

nja469

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Jun 23, 2002
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I have come across a simply remarkable article on viahardware.com! The tweak took me 5 minutes, was very easy and I watched my temp monitor go from 51C to 43C in 10 minutes after doing this!

"Contrary to popular belief, chip manufacturers AMD and Intel are very dedicated to releasing highly stable silicon components. As a matter a fact, both have integrated highly efficient cooling units in their CPU’s. The problem, however, is that many chipset manufacturers fail to implement a way for your system to make use of these incredible features.

Every AMD Athlon XP and Intel Pentium 4 has the ability to keep cool, quite efficiently, by using two chipset settings known as HALT Command Detect and Disc When STPGNT# Detect. The chipset vendor VIA has added these settings to their KT266/266A chipsets, but left them disabled by default. This guide also applies to the KT133 chipset family."

Read on exactly how to enable these features here (if interested) http://www.viahardware.com/haltcooling.shtm


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Scotty35

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Good thing, but it won't work at 100% cpu usage as it needs time to actually halt and whilst in Bios it has no effect in most cases!

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nja469

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Yes, but most CPU's never always run at 100%, and even when mine supposedly is running at 100% (don't trust what windows says) I still notice a temp diff.

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phsstpok

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Some mobos weren't compatible with that tweak. Left idle too long they crashed. My Abit KT133 mobo would die after only 5 minutes of idle time.

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nja469

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Well it's worth a try for some people, if it doesn't work just simply turn the settings off. It's working great on my KT266A set, the chip is atleast 5-8 C cooler all the time. Amazing I think.

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phsstpok

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There was one other thing I didn't like. I turned off all my memory resident stuff and watched the CPU temp. When it dropped 12 degrees I realized it was below my case temperature. From then on I didn't trust the readings. CPU temp can't be cooler than the surrounding air.

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Scotty35

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It is true most dont run at 100%, mine does 24/7 doing <A HREF="http://members.ud.com/services/teams/team.htm?id=510E6639-84A1-465D-A914-07BDB039E379" target="_new">cancer research with the THG UD team</A>

Windows task manager & MBM all say I am doing 100% although it may be the CPU reserves part of it anyway.

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sakattack

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Isn't this doing the same job as the old <A HREF="http://vcool.occludo.net/" target="_new"> VCool</A> that was posted here more than a year ago?

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srg

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Hi
Anyone know if this trick will also work with a AMD 761/VIA 686B system??

Thanks
Steven Graham

Windows XP Works on a K5 PR133 (100MHz) with 80MB RAM!!!!!!
 

lhgpoobaa

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pretty useless though when one is running your system at 100% load 24/7.
and thats when you really need all the cooling and stability.

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