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Topic Title: Windows XP + Dual Opteron Dual Core
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Created On: 07/27/2005 08:08 PM
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 07/27/2005 08:08 PM
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Zhynn
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Joined: 07/27/2005

I am speccing out a Dual Opteron 265 system. The system will run Windows XP Pro, and my question is: Does XP-Pro even support 4 cores? I know it will run dual cpus, and thus dual opteron, or one X2 (two cores), but will it run a total of four cores. More specifically, even if it runs, will it detect/use them?

Thanks for your time.
 07/28/2005 02:23 AM
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ten
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Joined: 12/21/2004

Working fine here with 2x dualcore 275s. Winxp cpu amount is based on physical units, so in theory you can have an unlimited amount of cores as long as you are only using a max of 2 physical cpus.

Word of note though, if you're running just one single core atm and your moving to 2x dualcore you might have to reinstall xp again as it will need the multicpu hal installed.

But again yes, dual dualcore procs work fine in xp.

ten

-------------------------
- Project TEN
- SuperMicro H8DCE nf4pro - 4x1GB Kingston HyperX ddr400/3200 er @ 2.5-3-3-6-1-numa
- 2x DualCore Opteron 275s - Thermalright XP90c - Thermaltake 92mm Silentcats
- 4x Raptor 73GB 10K sata drives (2x raid 0) - 2x Maxtor 300GB +10 sata drives<
 07/29/2005 07:11 PM
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Sterling_Aug
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Joined: 01/27/2005

Not true Ten:

You can upgrade the HAL to the dual processor one with just a simple device driver update. Click the plus sign in front of computer then right click on the ACPI uniprocessor heading and update driver.
 07/30/2005 02:40 AM
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ten
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Joined: 12/21/2004

Sweet, lot easier than a re-install /smile.gif' border='0' style='vertical-align:middle' alt='smile.gif' />

ten

-------------------------
- Project TEN
- SuperMicro H8DCE nf4pro - 4x1GB Kingston HyperX ddr400/3200 er @ 2.5-3-3-6-1-numa
- 2x DualCore Opteron 275s - Thermalright XP90c - Thermaltake 92mm Silentcats
- 4x Raptor 73GB 10K sata drives (2x raid 0) - 2x Maxtor 300GB +10 sata drives<
 08/06/2005 11:18 PM
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Yue_Hong
Overclocker

Posts: 562
Joined: 11/24/2004

Even if it does run on WinXP pro, but how many application will benefit from it?

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"If you look at the last five years, if you look at what major innovations have occurred in computing technology, every single one of them came from AMD. Not a single innovation came from Intel." -- AMD CEO Hector Ruiz in 2007
 08/08/2005 09:07 PM
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ten
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Posts: 33
Joined: 12/21/2004

Ones that take advantedge of multithreading /smile.gif' border='0' style='vertical-align:middle' alt='smile.gif' />

ten

-------------------------
- Project TEN
- SuperMicro H8DCE nf4pro - 4x1GB Kingston HyperX ddr400/3200 er @ 2.5-3-3-6-1-numa
- 2x DualCore Opteron 275s - Thermalright XP90c - Thermaltake 92mm Silentcats
- 4x Raptor 73GB 10K sata drives (2x raid 0) - 2x Maxtor 300GB +10 sata drives<
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