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Topic Title: Building a low power consumption Desktop
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Created On: 03/07/2004 07:40 AM
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 03/07/2004 07:40 AM
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mrechte
Junior Member

Posts: 1
Joined: 03/07/2004

Hi all,

I wish to build a Desktop using very low power. I thought that XP-M processor would help.

However I have a few questions regarding the feasibility of such a setting:

1) I did not find any data-sheet on XP-M on the web site, but only for XP. Did I look well ?
2) Will a mother board designed for an XP processor allow to set the power consumption through the BIOS (voltage and clock-speed) ?
3) Is there a recommended motherboard for such application (micro-ATX would be great) ?

Many thanks for your help.

Marc.
 03/08/2004 01:49 AM
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Greyhound
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Joined: 10/07/2003

QUOTE 1) I did not find any data-sheet on XP-M on the web site, but only for XP. Did I look well ?
Yeah...Datasheets for the mobile Athlon XP-M are NOT publicly available
QUOTE 2) Will a mother board designed for an XP processor allow to set the power consumption through the BIOS (voltage and clock-speed) ?
Desktop-motherboards DO NOT support PowerNOW! - so you won't get dynamic adjustment of clockspeed and voltage depending on CPU-utilization.
However, most motherboards based on a VIA-chipset will allow adjustment of both voltage and clockspeed(via multiplier) from within window$ if you use a software called CPUMSR' ">http://www.cpuheat.wz.cz/html/Download.htm
Unlike their post week 40 desktop-counterparts, multipliers are NOT locked on mobile CPU's, so you can just set the desired voltage and clockspeed in BIOS, even if CPUMSR won't work with your mobo - no dynamic adjustment in Window$, tho...
QUOTE 3) Is there a recommended motherboard for such application (micro-ATX would be great) ?
If you want to buy a motherboard specifically for running mobile parts, i would recommend a VIA KT600-based model.
Personally, i think you should stay away from µ-ATX motherboards, since most of them offer only a limited set of options in BIOS.

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